Antwone Kelly

Active

Pittsburgh Pirates · Pitcher

Age 225' 10" · 238 lbsThrows Right

FBaseball Overview

At just 22 years old, Kelly is a raw prospect making his MLB debut with minimal major league experience under his belt, having appeared in only 2.1 innings so far. His early statistical profile is concerning for fantasy purposes, with a bloated 7.71 ERA and 1.29 WHIP that suggest he's still adjusting to big league velocity and competition. The silver lining is his youth and upside—if he secures a rotation spot and gains consistent playing time, he could develop into a strikeout source as his command stabilizes. For now, Kelly remains a speculative, high-risk waiver wire target better suited for deep dynasty or keeper leagues than standard redraft competitions.

MLB Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2026	Pittsburgh Pirates	3	0	0	0	0	6.14	1.64	4	7.1	4
Career	Totals	3	0	0	0	0	6.14	1.64	4	7.1	4

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	DSL PIT Black	12	12	1	2	4.14	1.35	39	37.0	14
2022	FCL Pirates	10	2	0	1	2.31	1.29	29	23.1	10
2023	2 teams▼	14	4	5	1	2.89	1.26	53	43.2	18
2024	Bradenton Marauders	16	14	1	6	4.43	1.42	65	69.0	34
2025	2 teams▼	25	25	3	3	3.02	1.06	116	107.1	33
2026	Indianapolis Indians	19	13	5	5	4.29	1.40	56	77.2	36
Career	Totals	96	70	15	18	3.62	1.27	358	358	145

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

Game Log2026 MLB

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Advanced Stats2026 season · via Baseball Savant

Click for year to year changes

FB Velo98.9 mph

Avg Spin2187 rpm

Whiff %11.7%

K %12.5%

BB %12.5%

Hard Hit %37.5%

Barrel %4.2%

xERA5.10

xBA Against0.286

xSLG Against0.395

BA Against0.286

SLG Against0.571

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.

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Year

Team

ERA

WHIP

2026

Pittsburgh Pirates

6.14

1.64

7.1

Career

Totals

6.14

1.64

7.1

Year

Team

ERA

WHIP

2021

DSL PIT Black

4.14

1.35

37.0

2022

FCL Pirates

2.31

1.29

23.1

2023

2 teams▼

2.89

1.26

43.2

2024

Bradenton Marauders

4.43

1.42

69.0

2025

2 teams▼

3.02

1.06

116

107.1

2026

Indianapolis Indians

4.29

1.40

77.2

Career

Totals

3.62

1.27

358

145