Vikings Film Breakdown: Studying Rookie Offensive Lineman Caleb Tiernan

Chris

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As the Vikings navigated free agency and the 2026 NFL Draft, bringing in players from the pro and college ranks, we’ve taken a deeper look at newcomers’ games — the ways they’ve stood out; why their fit with Minnesota makes sense; and what was said about them in early evaluations, and more recently. We previously studied free-agent signings Kyler Murray, James Pierre and Jauan Jennings. Now, the club’s Top 5 draft picks: Caleb Banks, Jake Golday, Domonique Orange, Caleb Tiernan and Jakobe Thomas. These features are intended to present the skills and backgrounds of players new to the Vikings fan base.

Minnesota cashed in on former Northwestern lineman Caleb Tiernan with the highest compensatory pick (No. 97) in April’s draft. The slot near the bottom of the third round was awarded to the Vikings after Sam Darnold departed for Seattle in free agency and garnered Pro Bowl accolades, again, on his way to winning Super Bowl LX. Tiernan was the first offensive player chosen by the Vikings in 2026 after defensive linemen Caleb Banks (18th) and Domonique Orange (82nd), and linebacker Jake Golday (51st). Right after taking Tiernan, the team pivoted back to defense and plucked former Miami safety Jakobe Thomas off the board at 98 (one of two picks received from the Eagles in the Jonathan Greenard trade).

Tiernan, 23, is a native of Livonia, Michigan (a suburb of Detroit). At the NFL Scouting Combine, he checked in a fraction under 6-foot-8 and 323 pounds. Some aspects of Tiernan’s size are outstanding. Many external prognosticators, however, bemoaned his arm length in the pre-draft process, classifying it as a concern in relation to traditional benchmarks for tackles, but not totally unprecedented. For perspective, Tiernan’s arm measurement (32 1/4 inches) edged out Cleveland’s 9th overall pick Spencer Fano (32 1/8) — granted, there’s speculation Fano is a candidate to kick inside to guard at the next level, too — and is similar to 2025 No. 4 pick Will Campbell (32 5/8) of the Patriots, but pales next to Vikings starting tackles Christian Darrisaw (34 1/4) and Brian O’Neill (34 1/8), in addition to 28-year-old free-agent signing Ryan Van Demark (35 1/2). The golden number for arm length at tackle is 34 inches. Anyway, Minnesota fans should like to know Tiernan is versed already in the sweetness of winning at Ford Field; he punctuated his prep career at Detroit Country Day School with a shutout victory in the 2020 State Championship, and he capped his half-decade in college with a win in the 2025 GameAbove Sports Bowl. Tiernan was one of two OL drafted this year out of Northwestern (Evan Beerntsen), and he is the fifth Wildcats product to swap shades of purple with Minnesota via the draft; the most famous is 1963 NFL Rookie of the Year Paul Flatley, who had 3,222 receiving yards in five seasons on the Vikings.

A Second-Team All-Big Ten honoree and team captain in 2025, Tiernan started 43 of 52 games at Northwestern — his first five at right tackle, bookending the line with 2023 Titans first-rounder Peter Skoronski, and his final 38 on the left flank. His 84.3 pass-blocking grade fared fifth last season among 2026 draft year tackle prospects, per Pro Football Focus, and he set a single-season personal best two years ago with an 88.9 mark to be fifth in the nation regardless of draft year (min. 200 pass-block snaps).

View photos of Northwestern tackle Caleb Tiernan who was selected No. 97 overall in the second round of the 2026 NFL Draft.

Turns out, there’s more nuance to playing in the trenches than being big and displacing other big men. Finesse, and finish, and figure-it-out-ness are fundamental to success. While Tiernan is an easy person to identify on film because of his size, he’s honestly easier to ID due to his movement ability at his size. In addition to his large frame standing out, his technique, coordination and play through the whistle do too.

We’ve outlined three areas of Tiernan’s game that reveal some of his layers and long-term NFL potential:

Sometimes, a player’s assignment presents itself exactly as it’s drawn up on the whiteboard: Move this defender out of this gap. Combo this lineman and then climb to that linebacker. In these instances, there’s usually a level of comfort that’s attributed to practice repetitions and visualization of expected outcomes. The degree of difficulty raises — and can cause panic — when the image is posed differently. But Tiernan isn’t easily affected by on-the-fly adjustments; his game is brimming with intuition. In other words, he figures it out. He finds bodies to block and ways to make the defense feel him no matter what.

Two snaps in the first half of Northwestern’s near upset of No. 18 Michigan at Wrigley Field on Nov. 15 last season illustrated Tiernan’s troubleshooting — and moreover his predisposition to thump somebody. On the first Wildcats offensive snap, Tiernan lined up with a tight end to his left. He fired out ready to combo block a 3-technique DL with left guard Ezomo Oratokhai, but only a minor hit was necessary. Oratokhai turned his hips and walled the defender to create a favorable hole for Northwestern RB Caleb Komolafe. That removal freed up Tiernan to ride the escalator to Michigan’s linebacking corps, except no one was a threat (two ‘backers mugged the A-gaps prior to the snap and were non-factors once the play got rolling, while another was late scraping to the action), so he progressed to the third level of the defense. But he struck out there, too, initially, when a Northwestern receiver flew into the picture and cracked the safety Tiernan had his gaze set on. With zero hesitation, however, Tiernan shunted his vision to the cornerback that started 7 yards off the ball on the left hashmarks and zoomed into the frame to tackle Komolafe. He couldn’t because Tiernan got to him first and mashed him into the earth. In the end, Komolafe only gained 4 — the “late” ‘backer contained him — but Tiernan had a better-than-that effort.

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The second reflexive snap was a Wildcats TD pass on a second-and-goal at Michigan’s 7 that was redacted due to an offensive pass interference penalty (wah-wah). With three receivers split to the left, the Wolverines opted to drop their right edge defender into coverage — as a retort, they sent five men at the quarterback, including three blitzing linebackers up the gut — and didn’t challenge Tiernan as he kick-slid into his pass set. At first, he was in No Man’s Land, if you will, with nil but air to block in front of him. Then, Tiernan darted his sight to the right and channeled a mean streak, throwing his weight into the oblique of a d-lineman already stood up by a teammate. With Tiernan’s push, they scored a pancake.

Landmarks are a hot topic for o-linemen in pass protection. Reaching them establishes a protective semi-oval for quarterbacks — the pocket — and doing so quickly allows players to fend off heat-seeking pass rushers, at least temporarily. Likewise, landmarks or aiming points are instrumental to a run game, and Tiernan’s comprehension of them is conspicuous on tape. Two of his foremost traits — high football IQ and first-step quickness — assist him in beating defenders to spots and increasing positive-play odds.

A prime example of Tiernan’s effectiveness as a road grader came about on the play right before the canceled TD pass. Northwestern’s rush on a first-and-goal at Michigan’s 5 actually netted a 2-yard loss, but Tiernan laid the type of block that would spring a touchdown from wherever if execution elsewhere was up to snuff. Responsible for “reach” blocking a backside lineman squatting across the outside shoulder of the left guard, Tiernan moved laterally with rocket boosters strapped to his shoes and crossed the face of his foe so rapidly after the snap that the fella hardly had time to get out of his stance. Although a scanty block by the tight end terminated a center-pulling sweep away from the new Viking, his reach block resulted in a face full of dirt for the defender. In addition to another serving of pancakes, it offered evidence to be filed away that Tiernan’s top strengths are stimuli for strong aiming points.

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Another case of Tiernan’s exquisite aim occurred on a first-quarter carry in the Nov. 8 loss to No. 20 USC in Los Angeles. Coincidentally, it was Northwestern’s first snap on offense but a different play design than the aforementioned clip against Michigan. Quick as a cricket, Tiernan slanted down the line and uncoiled into the waistline of a defender who was tangled up with Oratokhai. The blast caught the Trojan by surprise and flung him a couple yards farther down the line. Tiernan refocused his attention after that and advanced to seal off a linebacker as an inside run by Komolafe to his side stalled after a short pickup. Again, net gain aside, this rep showcased Tiernan’s burst to an “X” on the map, and his ability to locate it.

Akin to a quarterback’s footwork guiding his ball placement, a lineman wins with his feet first — and then hand usage underpins the quality of his pass set. After exploding backward off the “post” leg (the one closest to the center) and transitioning into a kick-slide square to the line of scrimmage — wary of protecting the inside because it’s the fastest path to the QB — a well-timed punch with two hands smack dab into a defender’s breastplate can stun him and slow down the tempo of his rush. The same goes for independent hand striking, which is an inventive way to limit defenders and allow blockers to “re-fit” in a pickle. An outside punch, followed by an inside stab, protects a lineman’s edges and stabilizes his mass.

Tiernan’s film features both methods of pass protection, proving he has a sophisticated blocking skill set. There also is evidence of top-notch recovery when Tiernan looks, if only momentarily, like his matchup is in jeopardy. Even with a natural leverage disadvantage, he does a good job of sitting down and absorbing contact against powerful rushers. That talent is tied to foot chatter and hand-fighting, and is a testament to Tiernan’s core strength and ability to generate push-up force from his base and through his opponent.

On Sept. 13 last season against No. 4 Oregon, Tiernan pulled out all the stops to impede the Ducks pass rush, which included edge Matayo Uiagalelei, who skipped over the 2026 NFL Draft to return to school and boost his prospects of being selected in the first round in 2027, and pursue a national championship. Uiagalelei is mentioned, intentionally, because he has the makeup of a future high draft pick, and Tiernan controlled him. Check out their meaningful reps versus one another, and we’ll dissect one below.

On a third-and-14 at Northwestern’s 41 in the first frame, Tiernan got ready for Uiagalelei’s best offering. Upon the snap, Tiernan kick-slid and threw his outside hand at the 6-foot-5, 270-pounder — the younger brother of Chargers backup QB DJ Uiagalelei (maybe you knew that) — but needed to introduce his right claw in a hurry to skewer an inside spin move. Tiernan got slightly over his toes but regained his balance equally as quickly and drove into Uiagalelei’s chest as the Duck went airborne to try to disrupt a Wildcats pass. In a span of 2.5 seconds, Tiernan did the following well: fired out of his stance, gained depth to form the pocket, stayed square, implemented independent punches, moved laterally, re-fit after a hiccup and closed with intensity. What’s not to like about a lineman of Tiernan’s size with his package of skills?

The rationale to draft Tiernan is indisputable after the Vikings bore the brunt of injuries up front one year ago and never clicked in the trenches despite an intended starting five of Darrisaw, Donovan Jackson, Ryan Kelly, Will Fries and O’Neill appearing excellent on paper. They played 83 snaps together.

Enter, Tiernan. Like Van Demark, he could shoulder swing tackle responsibilities as the next man up at either tackle spot. In contrast to Van Demark, though, Tiernan is like a giant caterpillar awaiting metamorphosis. That’s to say, his positional verdict is undetermined. It’s a win-win for him and the club. Tiernan can sharpen his skills under offensive line coach Keith Carter and assistant offensive line coach Derek Warehime; he can acclimate to pro competition behind one of the league’s top tackle tandems (when healthy); and everyone involved can promote Tiernan’s growth at whichever position he fits best.

Tiernan is one of a handful of young Vikings linemen who will push each other to be in the group that dresses on game days. Like with every position on the roster, the broader the competition, the better.

Lance Zierlein touted Tiernan as a “highly experienced college tackle who is likely to kick inside due to a lack of length that affects his protection projection.” Zierlein noted Tiernan is tall, but his body has the shape of a guard; he’s dense, and strong in the midsection. He added Tiernan’s “feet feature good initial quickness, and he takes excellent angles on the move” and he “often finds early positioning advantages as a base blocker but lacks the anchor and play strength to consistently fortify/sustain.” Zierlein concluded that “solid” is the probable ceiling for Tiernan as a guard/swing tackle who could be a starter.

Todd McShay agreed, writing “Tiernan could fill a swing tackle role while also providing guard depth as he develops into a potential starter.” He also cited “a Northwestern precedent for shorter-armed tackles moving inside and thriving; (2023 11th overall pick) Peter Skoronski is already among the league’s best.”

Dane Brugler, author of “The Beast,” summarized what Tiernan brings to the table: “[He] relies on refinement to compensate for his average length and redirect skills, using disciplined hands and poise to execute assignments. He’ll have swing tackle ability, although his best [long-term spot] might be guard.”

Caleb Tiernan…doesn't have any close athletic comps. Uncommon athletic profiles usually have few if any comparisons historically. pic.twitter.com/bPZiyXb76C

Exclusively a tackle in college — about 3,000 snaps logged — Tiernan has faced horizons of NFL-bound edge rushers, so he deserves a pathway to pan out there and potentially be an outlier despite his arm length. Aware of the debate, Tiernan squashed it on a conference call with media members following his selection, phrasing his defense like a savvy vet who couldn’t care less about doubt outside of the building: “It’s not an arm-length competition on the field,” he said. “It’s a physicality competition, and I feel like I’m really good at that.” Undoubtedly. And yet, it’s worthwhile to understand his in-between size profile. Accordingly, here’s a glimpse at some recent short-armed tackles, plus taller but slimmer guards.

Source: www.vikings.com

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