Saturday, February 7, 2026

DrB's 2026 Giants Top 50 Prospects: #8 Jacob Bresnahan

8.  Jacob Bresnahan LHP.   DOB:  6/27/2005.  6' 4", 195 lbs.  Rule 5 Eligible Dec. 2027.

2025(A):  9-3, 2.61, 93 IP, 12.00 K/9, 4.16 BB/9.

Before I looked at Bresnahan's numbers and MLB Pipeline scouting report, I didn't think I would rank him this high.  I saw him pitch against Rancho Cucamonga early in the season and wasn't that impressed with his stuff and the first 6 weeks of his season were rough.  Through his first 3 starts his line stood at 0-1, 8.18, 11 IP, 8 BB, 12 K.  I think I saw him in the third game of that stretch.  The rest of the season he went 9-2, 1.85, 82.2 IP, 12.19 K/9, 2.81 BB/9 which is elite and at just his age 19 season.  

His MLB Pipeline scouting report has his FB 91-94 MPH topping out at 96.  I think the game I saw him he was at the lower end of that range.  Presumably he either gained command or built his velocity as teh season progressed.  His best secondary pitch is a fading changeup and also has a sweeping slider.  

He's a big kid who still has room to fill out his frame and get stronger.  He should start out 2026 in A+ ball with a chance to move up to AA before the season is over.  Starting to get some national recognition as a nice prospect but still qualifies as a sleeper with a lot of upside and a high ceiling.

4 comments:

  1. Bresnahan and 'de la Torre were essentially unhittable in the playoffs and the combination of the two of those guys going 4/5 innings each was pretty impressive - against the best teams in the A league. Following him towards the end of the season, his lines were impressive every start. Looking it up...he culminated with a 5.1 inning performance with 9K and 0BB, 4H and 0R.

    Excited by his age and the Giants decision to swoop the kid in that trade 2 years ago, buying low on a high upside HS arm. Team has some really good arms in the lower minors now, good things ahead.

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    1. Excited that Bresnahan and De la Torre are young lefthanded pitching prospects. Lefy pitching prospects are valuable to have as future pieces on the mlb Giants pitching staff or future trade pieces. Other teams always looking for young controllable pitching. Also interesting that Nate Furman is a non roster invitee. He was the 2nd player besides Bresnahan the Giants acquired for Alex Cobb. If at least Bresnahan can make the majors someday that trade would look good on the Giants

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    2. I'm also excited about Greg Farone and Carlos De La Rosa.

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  2. There's actually a little used evaluation tool called core season metrics, where you drop a kid's first 4 weeks and last 4 weeks, plus his first week after a midseason promotion. You need more brain pan to calculate this core if a kid gets a late start b/c of injury and there's adjustments for above or below age for level. Also, the 'drop last 4' is optional different for position and pitchers (# of innings) and cups of coffee. The metric makes a lot of sense- We forget what we were like at 18-21.

    On Core season metrics , Bresnahn is a hidden monster. /PH

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