JoJo Romero

JoJo Romero

27-Year-Old PitcherRP
St. Louis Cardinals
2024 Fantasy Outlook
Romero was unable to win a spot in the Cardinals' bullpen to open the 2023 season, but managed to rapidly ascend the team's late-inning hierarchy upon his recall in early July. The 27-year-old even earned some looks as St. Louis' closer, logging three saves in 27 appearances before left knee tendinitis ended his season in September. While Romero primarily throws a mid-90's sinker to induce ground balls at a near-60 percent clip, he keeps hitters off-balance with an 86 mph changeup (45.3 percent whiff). Not to mention, the southpaw's 53.2 percent whiff rate on his slider was one of the highest in the league for that pitch type. This helped him produce above-average strikeout (28.6%) and walk (6.8%) rates, even if the sample was only 36.2 innings. Romero showed enough last year to continue to fill a high-leverage role for the Cardinals in 2024, but health has been an issue for him throughout his career. Read Past Outlooks
RANKSFrom Preseason
#599
ADP
$Signed a one-year, $860,000 contract with the Cardinals in January of 2024.
Picks up win
PSt. Louis Cardinals
May 25, 2024
Romero (2-0) allowed three hits and struck out one over 1.1 scoreless innings to earn the win Saturday over the Cubs.
ANALYSIS
Romero became the pitcher of record after the Cardinals rallied for the lead in the bottom of the eighth inning. While this was a bit of a shaky performance, Romero was able to post his ninth scoreless appearance over 11 outings in May. The southpaw is at a 1.35 ERA, 0.79 WHIP and 26:4 K:BB while adding 17 holds and one blown save through 26.2 innings. He's the Cardinals' top lefty reliever and continues to feature in a setup role.
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Pitching Stats
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2024
2023
2022
2021
2020
2024 MLB Game Log
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2023 MLB Game Log
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2022 MLB Game Log
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2021 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
16
Last 10 Games
18
Last 5 Games
14
How many pitches does JoJo Romero 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 JoJo Romero 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 2022
 
 
-45%
BAA vs LHP
2024
 
 
-10%
BAA vs LHP
2023
 
 
-60%
BAA vs LHP
2022
 
 
-58%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2022vs Left .136 98 33 10 12 0 0 1
Since 2022vs Right .246 219 52 14 49 10 2 4
2024vs Left .182 35 11 2 6 0 0 0
2024vs Right .203 68 15 2 13 4 0 1
2023vs Left .105 41 12 3 4 0 0 0
2023vs Right .260 106 30 7 25 4 2 1
2022vs Left .118 22 10 5 2 0 0 1
2022vs Right .282 45 7 5 11 2 0 2
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2022
 
 
-40%
ERA at Home
2024
 
 
-71%
ERA at Home
2023
 
 
-64%
ERA at Home
2022
 
 
-57%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2022Home 2.33 1.03 38.2 5 1 1 9.5 2.1 0.7
Since 2022Away 3.86 1.07 42.0 1 1 2 9.4 3.2 0.4
2024Home 0.61 0.95 14.2 2 0 0 6.8 1.2 0.0
2024Away 2.08 0.69 13.0 0 0 0 10.4 1.4 0.7
2023Home 1.96 0.87 18.1 3 1 1 12.3 2.0 0.5
2023Away 5.40 1.25 18.1 1 1 2 8.3 2.9 0.0
2022Home 7.94 1.76 5.2 0 0 0 7.9 4.8 3.2
2022Away 3.38 1.22 10.2 0 0 0 10.1 5.9 0.8
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Stat Review
How does JoJo Romero compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 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 30 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
6.50
 
K/9
8.5
 
BB/9
1.3
 
HR/9
0.3
 
Fastball
93.9 mph
 
ERA
1.30
 
WHIP
0.83
 
BABIP
.257
 
GB/FB
2.44
 
Left On Base
88.0%
 
Exit Velocity
83.0 mph
 
Barrels/BBE
6.1%
 
Spin Rate
2159 rpm
 
Balls Hit 95+ MPH
25.2%
 
Swinging Strike
11.0%
 
Prospect Rankings History
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring JoJo Romero See More
MLB Points Leagues: Exploiting the Relief Pitcher Market
41 days ago
Dan Marcus looks at non-closing relievers who can provide value in points leagues, including starters who qualify at RP like the Rays' Zack Littell.
Closer Encounters: 2024 Closer Rankings 3.0
71 days ago
Injuries and trades have shaken up the closer market, with Edwin Diaz claiming the top spot in Ryan Rufe's updated closer rankings.
Mound Musings: A Look at Pitching in the NL Central
82 days ago
Brad Johnson has moved to the NL Central, and in Cincinnati, Hunter Greene, with one of the biggest arms in baseball, clearly has considerable potential.
Farm Futures: Relief Pitching Prospect Rankings
95 days ago
James Anderson goes team-by-team to highlight which pitching prospects could ascend to the closer role in the coming years, including A's righty Mason Miller.
Closer Encounters: 2024 Closer Rankings 2.0
117 days ago
Several key reliever signings have shaken up Ryan Rufe's closer rankings, allowing Jhoan Duran to move into the top three.
2021 Fantasy Outlook
Romero was exclusively a starter in the minors but was a reliever in his debut season last year, appearing 12 times and throwing 10.2 innings. He stumbled to a 7.59 ERA in those innings, but the underlying numbers don't paint nearly such a negative picture of his future. His 3.66 FIP and 3.53 xFIP indicated that he performed just fine, as he combined a slightly below-average 21.3 K% with a strong 4.3 BB% and 50.0% groundball rate. Whether the Phillies keep him in the bullpen or continue to develop him as a starter going forward remains to be seen. If he returns to the rotation, he'll likely need some more seasoning in the minors, as he produced a 6.88 ERA in 13 starts for Triple-A Lehigh Valley in 2019. The fact that he throws left-handed may cause the Phillies to elect to keep him in relief, where he'll have an easier path to a big-league role but is unlikely to find himself in a fantasy-relevant job.
More Fantasy News
Allows run, snags win Saturday
PSt. Louis Cardinals
May 18, 2024
Romero (1-0) allowed a run on three hits over one inning, taking a blown save but earning the win Saturday versus the Red Sox. He did not strike out or walk a batter.
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Earns 10th hold
PSt. Louis Cardinals
April 27, 2024
Romero struck out two in a perfect inning to earn his 10th hold of the season in Saturday's 7-4 win over the Mets.
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Control issues popping up
PSt. Louis Cardinals
March 4, 2024
Romero has allowed two runs on two hits and four walks while striking out three over three Grapefruit League innings.
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Agrees to terms
PSt. Louis Cardinals
January 11, 2024
Romero agreed to a one-year contact with the Cardinals on Thursday, avoiding arbitration.
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Knee still bothersome
PSt. Louis Cardinals
Knee
September 16, 2023
Romero (knee) is still dealing with weakness and instability in his left knee but will throw a bullpen session Sunday, John Denton of MLB.com reports.
ANALYSIS
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