Jacob Misiorowski

Active

Milwaukee Brewers · Pitcher

Age 246' 7" · 201 lbsThrows Right

FBaseball Overview

The 24-year-old Brewers right-hander took a massive leap in his sophomore season, earning All-Star honors in 2025 and now establishing himself as a legitimate fantasy starter in 2026 with a dominant 1.45 ERA and 0.77 WHIP across 99 innings. His strikeout production remains elite at 146 K, providing consistent value in that category while his 9-3 record and improved control suggest he's finally harnessing the stuff that made him a prospect to watch. The primary risk centers on workload management given his limited MLB experience—the Brewers may monitor his innings carefully as he builds durability—but his exceptional ratio stats make him a must-roster arm in most league formats. With youth on his side and clear progression from a 4.36 ERA just a year ago, Misiorowski offers both immediate production and long-term upside for fantasy managers seeking a young ace with genuine Cy Young potential.

News Updates

Jacob Misiorowski Records Ninth Win with 105.5 MPH Fastball
Milwaukee Brewers pitcher Jacob Misiorowski improved to 9-3 with a dominant Friday performance, allowing just one run on two hits with four walks and eight strikeouts over six innings. Misiorowski also threw a 105.5 MPH fastball, showcasing elite velocity. He continues to be one of the most exciting young arms in baseball.
Jun 27, 2026

MLB Pitching

Year	Team	G	GS	W	L	ERA	WHIP	K	IP	BB
2025	Milwaukee Brewers	15	14	5	3	4.36	1.24	87	66.0	31
2026	Milwaukee Brewers	18	18	9	4	1.61	0.78	160	106.0	27
Career	Totals	33	32	14	7	2.67	0.96	247	172	58

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Minor League Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2022	Carolina Mudcats	2	2	0	0	0	5.40	4.80	3	1.2	7
2023	3 teams▼	20	20	4	2	0	3.41	1.18	110	71.1	42
2024	2 teams▼	33	21	3	5	1	3.33	1.20	127	97.1	60
2025	Nashville Sounds	13	12	4	2	0	2.13	1.09	80	63.1	31
Career	Totals	68	55	11	9	1	3.04	1.19	320	233.2	140

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Game Log2026 season

Loading game log…

Analytics2026 season · via Baseball Savant

Click for year to year changes

FB Velo100.4 mph

Avg Spin2548 rpm

Whiff %38.4%

K %39.3%

BB %6.8%

Hard Hit %33.3%

Barrel %2.9%

xERA2.09

xBA Against0.174

xSLG Against0.246

BA Against0.150

SLG Against0.219

GB%45.9%

FB%22.7%

What These Stats Mean

FB Velo — Average fastball velocity. Harder throwers generate more swings and misses, setting up every other pitch in their arsenal. Velocity is the foundation of strikeout upside.

Avg Spin — Average spin rate across all pitches. Higher spin creates more movement and makes pitches harder to square up — elite spinners run better strikeout and batting average against numbers.

Whiff % — Swings-and-misses per swing. The most direct measure of a pitcher's ability to miss bats and the best leading indicator of strikeout rate.

K % — Strikeout rate per batter faced. The core fantasy pitching stat — high K% means reliable strikeout totals that hold up even in shorter starts.

BB % — Walk rate per batter faced. The primary control metric. High BB% tanks ERA and WHIP and keeps baserunners on constantly. Elite starters typically run below 7%.

Hard Hit % — Percentage of batted balls hit 95 mph or harder against. Low hard-hit% means weak contact, protecting both ERA and the defense behind the pitcher.

Barrel % — Percentage of batted balls barreled against. The most direct home run predictor — low barrel% pitchers rarely give up long balls.

xERA — Expected ERA based on contact quality allowed, removing the effect of sequencing, luck, and defense. Better predictor of future ERA than ERA itself.

xBA Against — Expected batting average opponents should hit based on contact quality. A gap between xBA and actual BA indicates unsustainable luck in either direction.

xSLG Against — Expected slugging allowed based on contact quality. High xSLG against predicts future extra-base damage; low xSLG means the pitcher is genuinely suppressing power.

BA Against — Actual batting average opponents are hitting — a key WHIP component. Check xBA to see if the number is sustainable.

SLG Against — Actual slugging allowed. Captures hits, doubles, triples, and home runs — lower means the pitcher is limiting the power damage he gives up.

GB% — Ground ball rate. High GB% pitchers generate double plays, limit home runs, and keep the ball in the park — great for protecting ERA and WHIP ratios.

FB% — Fly ball rate. High FB% pitchers give up more air contact — dangerous when combined with high exit velocity, less so when contact is soft.

Articles featuring Jacob Misiorowski

Jacob Misiorowski Is Breaking Fantasy Baseball: Is He a Legit Top-10 Arm?
June 16, 2026
Read →

Loading player data...

Year

Team

ERA

WHIP

2025

Milwaukee Brewers

4.36

1.24

66.0

2026

Milwaukee Brewers

1.61

0.78

160

106.0

Career

Totals

2.67

0.96

247

172

Year

Team

ERA

WHIP

2022

Carolina Mudcats

5.40

4.80

1.2

2023

3 teams▼

3.41

1.18

110

71.1

2024

2 teams▼

3.33

1.20

127

97.1

2025

Nashville Sounds

2.13

1.09

63.1

Career

Totals

3.04

1.19

320

233.2

140