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Trench Warfare: Daily Summaries Delivered
by Brandon Thorn
In-depth discussion and insight into the world of OL/DL play with Brandon Thorn and guests from around the football world.
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The most recent episodes — sign up to get AI-powered summaries of each one.
- 1 weeks ago12 min
Pass Pro Lab: Ted Karras
This is a free preview of a paid episode. To hear more, visit trenchwarfare.substack.comTed Karras joined me for the fourth episode of Pass Pro Lab to break down his 2025 pass-protection tape and discuss the details behind an 11-year NFL career.Karras talks about entering the NFL as a sixth-round pick, learning under Dante Scarnecchia in New England, playing both guard and center, and how his approach to pass protection has evolved over the course of his career.Using game film from the 2025 season, we discuss: Pass protection philosophy Staying square in protection Handling twists and games Helping guards from the center position Strike timing and hand placement Adjusting to different pass rushers Scott Peters' influence Weekly film study and preparationTimestamps00:00 – Intro01:12 – Entering the NFL as a sixth-round pick05:40 – Learning under Dante Scarnecchia11:05 – "Know what you are"18:10 – Bengals pass protection philosophy20:35 – Cowboys film: staying square & handling twists26:30 – Hand usage and strike timing34:05 – Has NFL pass protection changed?39:45 – Steelers film49:15 – Scott Peters' influence58:10 – Varying your approach by opponent1:08:20 – Helping guards from center1:17:30 – Weekly film study1:25:45 – Preparing for Year 111:30:10 – Closing thoughts
- 4 weeks ago12 min
How Offensive Structure Shapes OL Play with Greg Cosell
This is a free preview of a paid episode. To hear more, visit trenchwarfare.substack.comLongtime NFL analyst Greg Cosell joins Brandon Thorn for a discussion on how offensive structure shapes offensive line play.The conversation centers on the environment around offensive linemen: scheme, quarterback play, pass-game design, protection structure, play action, quick game, movement, simulated pressures and the importance of third down.Greg and Brandon discuss how quickly narratives around offensive linemen can change depending on system fit, using examples like Mike McGlinchey in Denver, Aaron Brewer in Miami, Coleman Shelton with the Rams, Jake Matthews and Chris Lindstrom in Atlanta, and others.They also get into the quarterback’s role in offensive line evaluation, including timing, pocket depth, drifting, premature pocket exits, protection understanding and why not every pressure is truly an offensive line problem.Other topics include:• Greg’s 47 seasons at NFL Films• Learning quarterback play from Bill Walsh• How pass-game design can help or expose offensive linemen• Why third down remains the ultimate test for pass protection• The rise of five-man fronts and simulated pressures• How offensive systems can raise the floor for OL play• Evaluating raw traits versus polish in OL prospects• Monroe Freeling, Blake Miller and system-specific projection• Joe Thomas, Lane Johnson and elite tackle play• Why offensive line evaluation requires offensive contextThe full video version, timestamps and additional content are available on Trench Warfare.Host: Brandon ThornGuest: Greg CosellSeries: Trench Warfare
- Jun 12, 202656 min
Live with Ben Standig and Brandon Thorn
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit trenchwarfare.substack.com/subscribe
- May 28, 202619 min
Pass Pro Lab: Lane Johnson + The Choreography of Elite Pass Protection
This is a free preview of a paid episode. To hear more, visit trenchwarfare.substack.comEagles RT Lane Johnson joins me for a 50+ minute Pass Pro Lab film room studying tape against Khalil Mack, Micah Parsons, T.J. Watt, Nick Bosa, Danielle Hunter and others while discussing how elite tackles solve problems.This conversation goes beyond individual matchups.Johnson explains how quarterback landmarks, route concepts, alignment, cadence and pass-set choreography all influence protection and why many younger offensive linemen make the game harder than it needs to be.Topics include:• Lane's evolution as a pass protector from 2017 to today• Jeff Stoutland's influence and entering Year 13 with a new OL coach• Khalil Mack, Micah Parsons, T.J. Watt, Nick Bosa and Danielle Hunter• Why Lane studied Laremy Tunsil's approach vs Micah Parsons• Change-ups, jump sets and manipulating rushers• Route concepts + QB landmarks shaping pass protection• Pre-snap tells, stance discipline and the "game within the game"• Why elite pass protection is often choreographed before contact ever occurs• And Lane's advice for younger tackles entering the leagueOriginally recorded as a film-room conversation, portions reference specific tape and visuals, though the discussion stands on its own as a detailed look into how one of the NFL's premier tackles studies and plays the position.Full video + timestamps available on Substack.
- May 22, 202620 min
Inside the Colts OL Room with Tony Sparano Jr.
This is a free preview of a paid episode. To hear more, visit trenchwarfare.substack.comColts OL coach Tony Sparano Jr. joins me for a deep discussion on offensive line development, pass protection philosophy, scheme design and what truly separates elite offensive line play.We discuss:• Building the Colts OL room for 2026• Quenton Nelson's leadership and competitiveness• Bernhard Raimann, Tanner Bordelini, Matt Goncalves and Jalen Travis• How Indianapolis tailors scheme to player strengths• Shane Steichen, play action and protection design• Whether modern offenses have made life easier on OL• Developing offensive linemen with fewer padded practices• Simplifying teaching and building confidence• Two-hand vs independent hand usage in pass protection• Brayden Smith's hand technique and proactive striking• Why pass protection remains football's most difficult skill challenge• And why Sparano calls offensive line "the most collaborative position in sports."Timestamps available on Substack.Subscribe for full video access and future OL conversations, film rooms and trench-focused analysis.
- Feb 12, 202611 min
2026 Pre-Combine OL Overview: Top Prospects, Mid-Tier Value, Late Sleepers (with Dane Brugler)
This is a free preview of a paid episode. To hear more, visit trenchwarfare.substack.comThe Athletic’s Dane Brugler joined me to break down the 2026 OL class — from top-ranked prospects to mid-tier value and late-round sleepers — with specific player-by-player takes throughout.Key TakeawaysWhy this class creates wide variance team-to-team (position drop-offs + similar grades).The top OT/OG group: who has the safest floor vs the biggest ceiling bets.Day 3/late-round OL profiles worth gambling on (traits, development arcs, role fits).Timestamps0:00 Intro + why now (Combine list week)0:46 Big-picture class feel: your OL grades vs Dane’s board (top 50/top 100)2:09 Why this draft is tough to rank (drop-offs, tight clusters, team need variance)4:46 “True 1st-round” OL: your 3 vs Dane’s 14 total 1st-round grades6:10 How the top OL order could vary (scheme/value context)Top OL: early-round targets7:13 Spencer Fano: movement, balance through contact, run game weaponization10:31 Utah context: heavy run scheme + projection/scheme fit questions11:43 Francis Mauigoa: clean tape early, exposed late; tackle vs guard projection14:31 “Maximized at guard” vs “survive at tackle” (Zack Martin-type framework)16:37 High-variance tackles with upside: Proctor / Lomu / Freeling18:57 Proctor: elite traits vs technique/discipline; positional leverage theme21:06 Why his current pass-pro style may not translate at 350+ (must dictate reps)22:39 Lomu + Freeling: youth, development runway, projection outcomesNext tier + developmental tackle bets23:12 Markel Bell (Miami): size/length profile + path to starting25:39 Dane’s view on Bell: just outside top 100 + Senior Bowl context29:25 Arm-length discussion + historical comps (Dawand/long-arm database)31:33 Late bloomer theme (Aamil Wagner example)32:02 Max Iheanachor (Arizona State): late-to-football profile, upside vs readiness33:12 How high is too high to draft a developmental tackle?36:45 Day 3 darts: Isaiah World / Diego Pounds / Crownover38:34 Crownover: Senior Bowl helped; why he rose for you39:10 Aamil Wagner (Notre Dame): swing tackle path; traits/length/“lose slowly” profile41:48 Penn State OL disappointment; Drew Shelton note; Bowery’s Senior Bowl strugglesInterior OL: guards/centers with payoff42:41 Chase Bisontis (Texas A&M): strength profile + movement/processing upside43:12 “Strongest player he’s ever coached” quote + what shows/doesn’t on film46:13 Bisontis: leverage/technique vs recovery skills; why his ceiling is intriguing48:24 Two upside guards: Keylan Rutledge (GT) + Billy Schrauth (ND)49:06 Schrauth: leverage/power/athletic traits; health is the swing factor50:47 Rutledge: brawler temperament; Senior Bowl versatility reps (incl. center)52:16 Rutledge medical backstory + why Combine checks matterPopular name vs film reality54:01 Gennings Dunker: personality buzz vs stiffness/limitations; likely guard projection56:21 Why NFL teams will still like him (mentality, hands, communication)Late-round interior favorite + Combine list reactions57:47 Oklahoma IOL (Febechi Nwaiwu): walk-on story, processing, center projection59:45 Combine invite list: surprises + notable omissions (Rucci, others)1:02:05 Wrap + value of the Combine for finishing evals1:03:06 End + tease upcoming draft player interview
- Jan 2, 202629 min
The 2025 NFL Offensive Line All-Pro Teams — and our Top 3 Protector of the Year Selections
This is a free preview of a paid episode. To hear more, visit trenchwarfare.substack.comEach year, Duke Manyweather and I put together our NFL Offensive Line All-Pro teams — 1st, 2nd, and 3rd Team — and for the first time in 2025, our Protector of the Year Award selections.This show represents the culmination of another season spent studying the position full-time: grinding film, trading daily notes, and working to quantify what actually shows up on Sundays.Our goal is simple — do right by the offensive line. Put in the work, shine a light on the position, and elevate the players who truly define it.We take the process seriously. And we still have a lot of fun doing it.Episode Timestamps00:00 – Welcome + framing the annual OL All-Pro show01:00 – All-Pro criteria: snaps, starts, and why thresholds matter03:40 – Why this year’s OL evaluations were tighter than usual05:20 – 1st Team All-Pro: Left Tackle08:35 – 2nd & 3rd Team: Left Tackle14:50 – Left Guard All-Pro Teams (1st–3rd Team)25:35 – Center All-Pro Teams (1st–3rd Team)36:20 – Right Guard All-Pro Teams (1st–3rd Team)44:50 – Right Tackle All-Pro Teams (1st–3rd Team)~58:00 – Protector of the Year Award (Top 3)~64:30 – Final thoughts + season wrap-up
- Sep 11, 202525 min
Special episode recapping key trench matchups from Week 1 with Terron Armstead
Former Saints and Dolphins LT Terron Armstead has a new YouTube channel and show titled ‘The Set’ airing every Monday and Thursday this season. Terron asked me to join him for a segment every Monday to recap key trench matchups of the week which I am very excited for. You can find this segment in video form airing every Monday on Terron’s channel beginning in Week 2.Here’s the backstory on why the Week 1 edition is airing here: After Week 1 we hit a snag in scheduling so I wound up recording the video for Terron to give his producer to edit and get up on his channel. Unfortunately, the audio did not match up with the video and since Terron only does video (for now) the file became unusable, until now. After realizing that the audio itself was uncorrupted and full of valuable insight and analysis, I asked Terron if I could post it on my channels which he graciously agreed to.That brings me to this episode. Terron is the host speaking as if this will be airing on his channel before we get into the good stuff:The three Tyler’s in Dallas (Guyton, Smith and Booker) against the Eagles frontCommanders LT Laremy Tunsil vs. Giants edge-rushers Brian Burns, Kayvon Thibodeaux and Abdul CarterLions RT Penei Sewell vs. Packers edge-rusher Micah ParsonsTitans LT Dan Moore vs. Broncos edge-rusher Nik BonittoIf you want to hear Terron and I break down key trench matchups all season make sure to go check out his channel here. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit trenchwarfare.substack.com/subscribe
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