Mason Montgomery

Active

Pittsburgh Pirates · Pitcher

Age 266' 2" · 205 lbsThrows Left

#187 Current

FBaseball Overview

Montgomery enters 2026 as a young pitcher still developing consistency in his second year with the Pirates, showing modest improvements in ERA and WHIP from 2025 but remaining a high-risk fantasy asset. His strikeout rate demonstrates potential—he struck out 46 batters in limited innings so far this season—though his win-loss record and elevated ERA suggest he continues to struggle with command and run prevention. The pedigree from his minor league accolades indicates talent, but the 5+ ERA across both MLB seasons signals he'll need a significant jump in performance to become a reliable fantasy contributor. For now, Montgomery represents a speculative deep-league option best suited for managers seeking upside rather than immediate production, with the understanding that he'll need to demonstrate better durability and effectiveness to justify regular roster spots.

MLB Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2024	Tampa Bay Rays	9	0	0	0	0	1.86	1.14	17	9.2	5
2025	Tampa Bay Rays	57	0	1	3	1	5.67	1.65	63	46.0	27
2026	Pittsburgh Pirates	46	5	4	3	2	3.80	1.20	69	45.0	21
Career	Totals	112	5	5	6	3	4.47	1.40	149	100.2	53

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
2021	FCL Rays	5	4	1	0	0	0.84	0.47	20	10.2	1
2022	2 teams▼	27	27	6	3	0	2.10	1.06	171	124	43
2023	2 teams▼	29	29	7	4	0	3.98	1.33	144	124.1	60
2024	Durham Bulls	31	14	1	7	2	6.26	1.61	105	87.2	36
2025	Durham Bulls	9	0	1	0	2	2.00	0.78	15	9.0	1
Career	Totals	101	74	16	14	4	3.75	1.27	455	355.2	141

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 Velo98.4 mph

Avg Spin2335 rpm

Whiff %30.4%

K %36.3%

BB %11.1%

Hard Hit %42.0%

Barrel %9.0%

xERA2.96

xBA Against0.197

xSLG Against0.314

BA Against0.196

SLG Against0.327

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

2024

Tampa Bay Rays

1.86

1.14

9.2

2025

Tampa Bay Rays

5.67

1.65

46.0

2026

Pittsburgh Pirates

3.80

1.20

45.0

Career

Totals

112

4.47

1.40

149

100.2

Year

Team

ERA

WHIP

2021

FCL Rays

0.84

0.47

10.2

2022

2 teams▼

2.10

1.06

171

124

2023

2 teams▼

3.98

1.33

144

124.1

2024

Durham Bulls

6.26

1.61

105

87.2

2025

Durham Bulls

2.00

0.78

9.0

Career

Totals

101

3.75

1.27

455

355.2

141