Keider Montero

Active

Detroit Tigers · Pitcher

Age 266' 1" · 145 lbsThrows Right

FBaseball Overview

This 25-year-old right-hander enters 2026 coming off a solid sophomore season where he demonstrated improved command and efficiency, lowering his ERA from 4.37 to 3.39 while maintaining strikeout production with 56 K in a similar workload. Montero operates as a mid-rotation starter for Detroit and offers fantasy managers modest win potential alongside respectable strikeout volume, though his four victories last season suggest limited run support and a modest win ceiling. His ERA improved significantly year-over-year and his WHIP dipped to 0.99, indicating better control and fewer baserunners allowed, which bodes well for continued growth in his third MLB season. The primary risk is inconsistent production and a relatively young resume, but Montero represents intriguing upside as a potential breakout candidate if the Tigers' lineup provides stronger support around him.

MLB Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2024	Detroit Tigers	19	16	6	6	0	4.76	1.33	77	98.1	31
2025	Detroit Tigers	20	12	5	3	0	4.37	1.39	72	90.2	31
2026	Detroit Tigers	18	15	5	5	1	3.21	0.97	59	92.2	20
Career	Totals	57	43	16	14	1	4.12	1.23	208	281.2	82

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
2017	DSL Tigers	14	12	1	5	0	4.02	1.55	41	47.0	27
2018	DSL Tigers 1	15	5	2	2	5	2.14	1.32	40	46.1	16
2019	2 teams▼	10	10	4	3	0	2.08	1.26	49	47.2	16
2021	West Michigan Whitecaps	15	15	4	8	0	5.28	1.68	59	61.1	19
2022	West Michigan Whitecaps	25	25	7	7	0	4.51	1.32	101	103.2	37
2023	3 teams▼	27	26	15	4	0	4.66	1.37	160	127.1	49
2024	Toledo Mud Hens	13	13	1	4	0	5.03	1.70	54	48.1	30
2025	Toledo Mud Hens	10	8	4	4	0	5.91	1.34	43	42.2	15
2026	Toledo Mud Hens	1	1	0	0	0	0.00	0.50	3	4.0	1
Career	Totals	130	115	38	37	5	4.29	1.42	550	528.1	210

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 Velo94.4 mph

Avg Spin2348 rpm

Whiff %16.7%

K %16.2%

BB %5.5%

Hard Hit %38.5%

Barrel %7.8%

xERA3.56

xBA Against0.234

xSLG Against0.394

BA Against0.206

SLG Against0.342

GB%39.1%

FB%27.5%

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

Detroit Tigers

4.76

1.33

98.1

2025

Detroit Tigers

4.37

1.39

90.2

2026

Detroit Tigers

3.21

0.97

92.2

Career

Totals

4.12

1.23

208

281.2

Year

Team

ERA

WHIP

2017

DSL Tigers

4.02

1.55

47.0

2018

DSL Tigers 1

2.14

1.32

46.1

2019

2 teams▼

2.08

1.26

47.2

2021

West Michigan Whitecaps

5.28

1.68

61.1

2022

West Michigan Whitecaps

4.51

1.32

101

103.2

2023

3 teams▼

4.66

1.37

160

127.1

2024

Toledo Mud Hens

5.03

1.70

48.1

2025

Toledo Mud Hens

5.91

1.34

42.2

2026

Toledo Mud Hens

0.00

0.50

4.0

Career

Totals

130

115

4.29

1.42

550

528.1

210