Keider Montero

Keider Montero

24-Year-Old PitcherSP
Detroit Tigers AAA
2025 Fantasy Outlook
Following a 2023 campaign in which he made both his Double-A and Triple-A debuts, Montero reached the majors for the first time in 2024. Like a lot of young pitchers, the 24-year-old had some ups and downs, and he finished with a 4.76 ERA, 1.33 WHIP and 77 strikeouts across 98.1 innings. Montero flashed some high-end potential, like when he tossed a complete-game shutout on Sept. 10 against Colorado, but he'll need to be more consistent to take the next step as a player. The righty also saw his K/9 dip to 7.06 after he posted marks above 10.0 in each of his last two seasons in the minors. Montero throws hard enough, with a fastball that averaged 94.7 mph last year, so there could be room for growth in the strikeout department. Montero at least figures to have the inside track on a rotation spot to begin the 2025 season, as the Tigers don't have a ton of proven MLB starters outside of staff ace Tarik Skubal. Montero carries some risk, but he could be a useful fantasy contributor if his game continues to progress. Read Past Outlooks
RANKS
Rest of Season
From Preseason
#368
ADP
$Signed a one-year contract with the Tigers in March of 2025.
Optioned to Triple-A
PDetroit Tigers  AAA
April 22, 2025
The Tigers optioned Montero to Triple-A Toledo on Monday, Cody Stavenhagen of The Athletic reports.
ANALYSIS
Montero made two starts during his time in the majors, allowing nine runs (eight earned) with an 11:5 K:BB over 9.1 innings. He's being replaced on the roster by reliever Chase Lee.
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Pitching Stats
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2025
2024
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Pitching Appearances Breakdown
Average Pitch Count
89
Last 10 Games
89
Last 5 Games
89
How many pitches does Keider Montero generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Keider Montero generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
 
 
-10%
BAA vs LHP
2025
 
 
-10%
BAA vs RHP
2024
 
 
-11%
BAA vs LHP
2023
No Stats
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .257 231 44 18 54 5 3 12
Since 2023vs Right .285 227 44 18 59 9 0 11
2025vs Left .353 20 3 2 6 0 1 3
2025vs Right .318 26 8 3 7 0 0 1
2024vs Left .249 211 41 16 48 5 2 9
2024vs Right .281 201 36 15 52 9 0 10
2023vs Left 0 0 0 0 0 0 0 0
2023vs Right 0 0 0 0 0 0 0 0
Home/Away Pitching Splits
Since 2023
 
 
-32%
ERA at Home
2025
 
 
-31%
ERA at Home
2024
 
 
-31%
ERA at Home
2023
No Stats
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 4.23 1.30 66.0 3 5 0 6.8 3.3 1.5
Since 2023Away 6.26 1.51 41.2 3 2 0 8.2 2.6 2.6
2025Home 6.23 2.08 4.1 0 0 0 6.2 8.3 2.1
2025Away 9.00 1.80 5.0 0 1 0 14.4 1.8 5.4
2024Home 4.09 1.25 61.2 3 5 0 6.9 2.9 1.5
2024Away 5.89 1.47 36.2 3 1 0 7.4 2.7 2.2
2023Home 0 0 0 0 0 0 0 0 0
2023Away 0 0 0 0 0 0 0 0 0
Minor League Left/Right Pitching Splits (AAA)
Since 2023
 
 
-6%
BAA vs RHP
2025
 
 
-4%
BAA vs RHP
2024
 
 
-37%
BAA vs RHP
2023
 
 
-38%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .266 213 46 22 50 13 5 4
Since 2023vs Right .250 228 66 23 50 8 2 9
2025vs Left .182 11 4 0 2 0 0 0
2025vs Right .174 24 7 1 4 1 0 0
2024vs Left .337 109 18 16 31 6 5 3
2024vs Right .212 115 36 14 21 4 0 2
2023vs Left .200 93 24 6 17 7 0 1
2023vs Right .321 89 23 8 25 3 2 7
Stat Review
How does Keider Montero compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
2.20
 
K/9
10.6
 
BB/9
4.8
 
HR/9
3.9
 
Fastball
93.6 mph
 
ERA
7.71
 
WHIP
1.93
 
BABIP
.370
 
GB/FB
1.22
 
Left On Base
72.6%
 
Exit Velocity
83.2 mph
 
Barrels/BBE
14.3%
 
Spin Rate
2254 rpm
 
Balls Hit 95+ MPH
32.1%
 
Swinging Strike
12.4%
 
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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2024 Fantasy Outlook
Montero reached two new levels in 2023, and the young righty posted a 4.66 ERA and 1.37 WHIP while striking out 160 batters over 111.1 innings between Double-A Erie and Triple-A Toledo. The 23-year-old also saw 16 innings of action for High-A West Michigan, with the 127.1 total innings representing a new career high. Like a lot of young pitchers, Montero could work to cut down the walks a bit, but he flashed plenty of potential by recording a K/9 of 10.0 or above at each of the three levels he appeared at in 2023. The Tigers saw enough to add Montero to the 40-man roster in November and protect him from the Rule 5 Draft. He seems to be closing in on his MLB debut in the near future, though he will likely begin 2024 at Triple-A again to get some more work there. If Montero continues to miss bats and can reduce the free passes, a promotion may be in order at some point during the season.
More Fantasy News
Struggles in no-decision
PDetroit Tigers  AAA
April 21, 2025
Montero did not factor into the decision in Monday's 6-4 win over the Padres, allowing four runs (three earned) on five hits and four walks over 1.1 innings. He struck out three.
ANALYSIS
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Making second start Monday
PDetroit Tigers  AAA
April 21, 2025
Montero will start Monday's game against the Padres in Detroit, Jared Ramsey of the Detroit Free Press reports.
ANALYSIS
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Sticking around in majors
PDetroit Tigers  AAA
April 17, 2025
Montero remains on the Tigers' active roster following Wednesday's start against the Brewers and is expected to pitch again in 4-to-5 days, Evan Woodbery of MLive.com reports.
ANALYSIS
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Takes loss in season debut
PDetroit Tigers  AAA
April 16, 2025
Montero (0-1) allowed five runs on eight hits across five innings to take the loss Wednesday against the Brewers. He walked one and struck out eight.
ANALYSIS
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Recalled ahead of spot start
PDetroit Tigers  AAA
April 16, 2025
The Tigers recalled Montero from Triple-A Toledo on Wednesday.
ANALYSIS
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