Kyle Harrison

Active

Milwaukee Brewers · Pitcher

Age 246' 2" · 216 lbsThrows Left

FBaseball Overview

At 24 years old, Harrison enters 2026 as a breakout candidate after a dramatic improvement from his 2025 campaign, posting an 8-1 record with a 2.57 ERA and 1.04 WHIP across 77 innings. His strikeout rate has climbed significantly with 96 K's this season, suggesting he's developing the overpowering arsenal that made him a multiple MiLB Organization All-Star during his rise through Milwaukee's minor league system. The primary appeal for fantasy managers lies in his wins column and ERA/WHIP stability, though his limited innings pitched and early-season sample size mean there's still uncertainty about whether this performance level is sustainable through a full campaign. Harrison offers intriguing upside as a young pitcher with demonstrated skill, but managers should temper expectations until he proves he can maintain this efficiency over a larger workload.

MLB Pitching

Year	Team	G	GS	W	L	ERA	WHIP	K	IP	BB
2023	San Francisco Giants	7	7	1	1	4.15	1.15	35	34.2	11
2024	San Francisco Giants	24	24	7	7	4.56	1.34	118	124.1	42
2025	2 teams▼	11	6	1	1	4.04	1.37	38	35.2	14
2026	Milwaukee Brewers	16	16	8	1	2.82	1.08	99	79.2	20
Career	Totals	58	53	17	10	3.94	1.25	290	274.1	87

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

Minor League Pitching

Year	Team	G	GS	W	L	ERA	WHIP	K	IP	BB
2021	San Jose Giants	23	23	4	3	3.19	1.40	157	98.2	52
2022	2 teams▼	25	25	4	3	2.71	1.13	186	113	49
2023	2 teams▼	21	21	1	3	4.52	1.48	109	67.2	48
2025	2 teams▼	18	18	5	2	3.66	1.49	88	76.1	35
Career	Totals	87	87	14	11	3.39	1.35	540	355.2	184

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

Game Log2026 season

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Analytics2026 season · via Baseball Savant

Click for year to year changes

FB Velo95.0 mph

Avg Spin2204 rpm

Whiff %29.4%

K %30.6%

BB %6.2%

Hard Hit %34.8%

Barrel %6.0%

xERA3.03

xBA Against0.219

xSLG Against0.334

BA Against0.220

SLG Against0.353

GB%38.3%

FB%29.9%

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.

Loading player data...

Year

Team

ERA

WHIP

2023

San Francisco Giants

4.15

1.15

34.2

2024

San Francisco Giants

4.56

1.34

118

124.1

2025

2 teams▼

4.04

1.37

35.2

2026

Milwaukee Brewers

2.82

1.08

79.2

Career

Totals

3.94

1.25

290

274.1

Year

Team

ERA

WHIP

2021

San Jose Giants

3.19

1.40

157

98.2

2022

2 teams▼

2.71

1.13

186

113

2023

2 teams▼

4.52

1.48

109

67.2

2025

2 teams▼

3.66

1.49

76.1

Career

Totals

3.39

1.35

540

355.2

184