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Jason A. Churchill Profile
Jason A. Churchill

@ProspectInsider

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Following
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VP of Data & Player Analysis @ftrstarsseries EX: ESPN, CBS Radio MY STUFF: https://t.co/bKhVr2Dr95 NOT A FAN ACCOUNT.

Joined May 2009
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@ProspectInsider
Jason A. Churchill
2 days
▶️ NEW episode of Baseball Things https://t.co/kCpXPthl9f
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patreon.com
Get more from Baseball Things on Patreon
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@JoeDoyleMiLB
Joe Doyle
13 hours
“The Seattle Seahawks are tired of being disrespected and they want to prove they’re a Super Bowl contender.”
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@ProspectInsider
Jason A. Churchill
4 days
Baseball Things Podcast Weekly Roundup
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midnightmariners.com
The latest episode of the podcast...
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@luke_arkins
Luke Arkins
1 day
@ProspectInsider Pretty much the same players, Jason.
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@ProspectInsider
Jason A. Churchill
1 day
People know their posts can be viewed by others, right? Right?
@JonFromMaspeth
Jon from Maspeth
2 days
Amed Rosario and Jorge Polanco are pretty much the same damn player, but the Yankees are paying Rosario $2.5 million, and the Mets are paying Polanco $40 million.
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@ProspectInsider
Jason A. Churchill
1 day
Roger Craig, who is criminally underrated by the younger generations.
@NFL_DovKleiman
Dov Kleiman
2 days
Age yourself by naming an NFL running back you grew up watching. I'll start, Priest Holmes.
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@ProspectInsider
Jason A. Churchill
1 day
Does defense, baserunning, injury & performance risk not matter? This is hilarious.
@NFLFrascella
John Frascella (Football)
2 days
They are talking about over $400 MILLION for Kyle Tucker David Stearns and the Mets just got Jorge Polanco for just $40 million Batting Average: Tucker .266 Polanco .265 Home Runs: Tucker 22 Polanco 26 RBI: Tucker 73 Polanco 78 OPS: Tucker .841 Polanco .821 … so
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@mashmore98
Mike Ashmore
3 days
@SanJacRaven43 @ftrstarsseries Between myself and @ProspectInsider with his player stories coming up and the @DTGotera videos from these Zooms, we’re going to make this thing BIG on our end. Excited to see it all go down next month, look forward to seeing you as well!
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@IntoTheWild100
IntoTheWild00
4 days
@HoundHounderson @gbellseattle @seattlechildren @rodmarphoto Buddy, no one is stopping you from volunteering in silence. Head on over.
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@ProspectInsider
Jason A. Churchill
4 days
Baseball Things Podcast Weekly Roundup
Tweet card summary image
midnightmariners.com
The latest episode of the podcast...
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@ProspectInsider
Jason A. Churchill
4 days
Winning teams need probability AND production, and Story gives you neither. For me, Seattle is not in a position to take on such a huge risk when the payoff is an average bat at second base... even if the trade included some kind of way to cut his salary in half.
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@ProspectInsider
Jason A. Churchill
4 days
He hasn't played 2B since 2022 but athletically is a decent bet to manage to solid-average levels. Story affinity with the IL is a huge problem. He played 157 games in 2025, but before that it was 26, 43, and 94, and since the move to Boston his K rates have jumped.
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@ProspectInsider
Jason A. Churchill
4 days
Story is owed $55M gtd through 2027 -- his age 33-34 seasons -- which includes a $5 million buyout of a club option for 2028. Defensively he's capable at SS, but the metrics didn't like him at all in 2025 (which isn't conclusive, but something to consider)...
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@ProspectInsider
Jason A. Churchill
4 days
Story has been an average hitter with Boston -- if we ignore the awful 2023 when he went .203/.250/.316 in 43 games. He's not walking much these days, but did hit 25 homers this past season at age 32.
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@ProspectInsider
Jason A. Churchill
4 days
▶️ A question I won't get to on tomorrow evening's episode of Baseball Things: What about Trevor Story for the Mariners? A thread.
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@ProspectInsider
Jason A. Churchill
4 days
I start with wRC+ for hitters and then chase metrics that may confirm or contradict. Length of resume, age, trends, traditional stats like AVG/OBP/SLG, contact rates, walk rates... but also raw SwStrk %, performance vs pitch type/velo, standard splits, chase, Z-Contact, etc.
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@ProspectInsider
Jason A. Churchill
4 days
If a player is a 4.1 fWAR player and another is a 2.2 fWAR player for a year or time period, the 4.1 fWAR player was significantly more valuable. No one believes WAR, either formula, is so far off it can make a 2-win value error. It's not predictive as a standalone, however.
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