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Zac Bridger Profile
Zac Bridger

@BridgerBSB

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963
Following
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Analyst @triplecrownspts | Past @drivelineBB @SBForesters @sbccbaseball | Alum @WestmontSports | Baseball, AI, LLM, ML, etc.

Fort Collins, CO
Joined September 2014
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@BridgerBSB
Zac Bridger
2 months
šŸ›°ļø Ever wanted to see a hitter’s bat path pitch-by-pitch? I just launched v1 of an interactive app that maps MLB swing paths (2023 ASB → 2025 July) using Statcast + Savant data. Try it here: https://t.co/tHM0G1w6WG — potential features & current critiques welcomed!
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@BridgerBSB
Zac Bridger
19 hours
9/ Bottom Line. What do you think? Cut some FF volume, lean SV+CH vs LHB & SV+SI vs RHB, add a firm cutter, and tighten FF and SI profiles. Will Soroka outperform his $7.5M tag in 2026? #PitchDesign #BaseballAnalytics #MLB #DBacks #WinterMeetings #Cubs #FreeAgency #Baseball
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@BridgerBSB
Zac Bridger
19 hours
8/ Playoff Weapon A velo tick would be nice, and definitely should wield some interest for Soroka this offseason, but the bigger unlock is adding a firm cutter and creating more consistent shapes. With these improvements, we’re looking at a stable mid-rotation piece in Arizona
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@BridgerBSB
Zac Bridger
19 hours
7/ Pitch Design Targets Adding a new pitch to your arsenal is no small task in itself. However, it would also benefit Soroka to shrink his current FB profile clusters in the latter part of the offseason when that should be the focus. The goal should be to tighten the FF cluster
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@BridgerBSB
Zac Bridger
19 hours
6/ 3-FB Model in Practice Secondly, from a strictly intuitive stance, adding multiple FBs allows for more tunneling combinations. We know this adds concrete value despite yet being fully quantified. (image: https://t.co/xT9LKrgybP)
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@BridgerBSB
Zac Bridger
19 hours
5/ Why This Works A cutter plays optimally for Soroka in multiple ways. First, the addition of multiple FBs has been a successful trend recently for multiple starters: Seth Lugo, etc. This has been a way to find value for starting pitchers through the use of a wide range of
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@BridgerBSB
Zac Bridger
19 hours
4/ Arsenal Addition Add a cutter. He moved away from SL in 2024. In the past his SL and SV were only 0.9 mph apart, which was less effective. A firm cutter that lives between FF and SV, with less iVB than FF, creates a true bridge pitch and a usable third option vs both RHB &
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@BridgerBSB
Zac Bridger
19 hours
3/ Usage Tweaks + Optimization His weakest pitch is his 4-seam according to the model, while Sweeper and CH carry better returns vs LHB, and SV+SI play better vs RHB.
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@BridgerBSB
Zac Bridger
19 hours
2/ Context + Arsenal Snapshot Soroka's velo and extension are not a strength of his. His FB averages 93.6 mph vs RHP avg of 95.0 mph, and his extension sits in the lower third of MLB. Naturally, this means shape and usage carry extra weight for him. He wields a FF, SV, CH, SI.
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@BridgerBSB
Zac Bridger
19 hours
1/ 🧵 Value signing alert ā€¼ļø Extreme potential exists for the D-backs to squeeze real surplus value from Mike Soroka on a 1 yr, $7.5M deal. Earlier this offseason I broke down his arsenal and mapped a few levers for his development. Check them out below. ā¬‡ļø #Dbacks #MLB
@Dbacks
Arizona Diamondbacks
4 days
Adding Mike to the mix.
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@BridgerBSB
Zac Bridger
1 day
Breaking Barriers in Baseball: Savannah Turner Savannah Turner, an athlete I trained @DrivelineBB is one of ~10 women playing collegiate baseball. We worked late at Driveline on outreach, handling rejection, and refusing no. She is earning every rep and plans to coach at the pro
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@BridgerBSB
Zac Bridger
10 months
🚨 External Focus for Athletes 🧵 Many athletes focus internally—on mechanics, arm angles, or the feeling of ā€œperfectā€ mechanics. Real development happens when training shifts to external focus—targeting outcomes. Here’s why this approach dominates in player development. šŸ‘‡
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@DrivelineBB
Driveline Baseball
6 days
Back-to-back PR's for @DrivelineYouth 18U Noah Coury šŸ”„
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@DrivelineBB
Driveline Baseball
6 days
.@CBUbaseball OF @McfeelyBryce with a 453 ft. distance PR homer šŸ”„
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@BridgerBSB
Zac Bridger
6 days
The trifecta: Earplugs, Sleep Mask & Mouth Tape
@drivelinekyle
Kyle Boddy
6 days
When we had an @ouraring trial with the #Reds, we had pitchers use earplugs to test sleep/readiness quality and they had a small but significant positive impact, as did eyemasks/curtain clips. Oura readiness scores were also positively correlated with Stuff+ improvements, so...
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@drivelinekyle
Kyle Boddy
6 days
When we had an @ouraring trial with the #Reds, we had pitchers use earplugs to test sleep/readiness quality and they had a small but significant positive impact, as did eyemasks/curtain clips. Oura readiness scores were also positively correlated with Stuff+ improvements, so...
@gabriel1
gabriel
6 days
i slept with earplugs tonight i thought i wasn't sensitive to sounds but i slept suspiciously well.. gonna try some more and report back
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@ScoopBertman
Scoop Bertman
9 days
SCOOP: Dylan Moser has taken a hitting position with the Yankees Organization. Moser spent the past season at Youngstown State #Yankees #Penguins
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@DrivelineBB
Driveline Baseball
14 days
What does offseason training look like at Driveline for a D1 baseball player? Follow Cal Baptist OF @McfeelyBryce for a day of his training at our Seattle, WA gym. Train with us this offseason before the spring season šŸ“ˆ
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@JasonBernard_
Jason Bernard
13 days
The Great 2026 Intern Search is on! If you want to work with high quality sports data with some of the best in the business, now's your chance! Apply here and be sure to check "Statcast/Game Data Analytics" as your area of interest:
Tweet card summary image
mlb.com
Job opportunities at Major League Baseball.
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@ByAndrewParker
Andrew Parker
16 days
The Red Sox are promoting Double-A hitting coach Johnny Reina to Triple-A Worcester’s assistant hitting coach, I’m told. Reina joined the Red Sox organization in 2024 after working for Driveline.
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@Elijah_Boyer7
Elijah Boyer
17 days
I couldn’t be happier to announce that I will a MiLB hitting coach for the Boston Red Sox in 2026. @DrivelineBB I am forever grateful for the chance you gave me. It’s been a pleasure. Bet on yourself, and it just might pay off. #DuckBoats #PortlandSeaDogs
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