15-Day IL
Injury Hamstring
Est. Return 4/8/2025
2025 Stats
W-L
0-0
ERA
0.00
WHIP
0.00
K
0
SV
0
Rest-of-Season Projections
2025 Fantasy Outlook
Diaz's performance was rocky at times in 2024, but his stability as the Reds closer was always high. The right-hander finished with 28 saves in 32 chances and a 77.8 percent team save share, both of which ranked ninth in the league. The velocity on his four-seamer (94 mph) dipped for the second consecutive year, but the pitch yielded better results than his slider, which was reflected in its usage (58 percent - a +9.5% difference from 2023). Diaz's perennially poor walk rate (12.8 percent) and plummeting K-rate (22.7 percent) attributed to a higher WHIP (1.30), which may not sit well with new manager Tito Francona. However, working in Diaz's favor for 2025 is the current lack of competition within his own bullpen. He'll likely open the season as Cincinnati's closer, but his leash may not be as long as it was under David Bell. Read Past Outlooks
Goes on IL
The Reds placed Diaz (hamstring) on the 15-day injured list Wednesday.
ANALYSIS
Diaz's placement on the IL is retroactive to Monday, so he could be activated as soon as April 8, assuming he's fully moved past his hamstring injury by then. The 28-year-old has notched at least 25 saves in consecutive seasons, but he struggled to keep his walks in check in both years and saw his strikeout rate dip to 22.7 percent in 2024. The control problems cropped up again this spring, which put Diaz's status as the Reds' closer on shaky ground even before he was diagnosed with hamstring inflammation. The Reds are seemingly prepared to take a committee approach to the closer position to begin the season, and if a reliever is quickly able to gain the trust of manager Terry Francona in the late innings, Diaz may not be in the mix for save chances once he's healthy.
Diaz's placement on the IL is retroactive to Monday, so he could be activated as soon as April 8, assuming he's fully moved past his hamstring injury by then. The 28-year-old has notched at least 25 saves in consecutive seasons, but he struggled to keep his walks in check in both years and saw his strikeout rate dip to 22.7 percent in 2024. The control problems cropped up again this spring, which put Diaz's status as the Reds' closer on shaky ground even before he was diagnosed with hamstring inflammation. The Reds are seemingly prepared to take a committee approach to the closer position to begin the season, and if a reliever is quickly able to gain the trust of manager Terry Francona in the late innings, Diaz may not be in the mix for save chances once he's healthy.
Pitching Stats
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2025
2024
2023
2022
Minor League Game Log
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Left/Right Pitching Splits
Since 2023
-8%
BAA vs LHP
2025
No Stats
| BAA | K | BB | H | HR | ||||
|---|---|---|---|---|---|---|---|---|
| Since 2023vs Left | .187 | 75 | 37 | 39 | 5 | |||
| Since 2023vs Right | .203 | 66 | 30 | 47 | 5 | |||
| 2025vs Left | 0 | 0 | 0 | 0 | 0 | |||
| 2025vs Right | 0 | 0 | 0 | 0 | 0 | |||
| 2024vs Left | .200 | 27 | 21 | 18 | 4 | |||
| 2024vs Right | .211 | 28 | 10 | 24 | 2 | |||
| 2023vs Left | .176 | 48 | 16 | 21 | 1 | |||
| 2023vs Right | .197 | 38 | 20 | 23 | 3 | |||
| More Splits→ | View More Split Stats | |||||||
Home/Away Pitching Splits
Since 2023
-36%
ERA on Road
2025
No Stats
| ERA | WHIP | IP | K/9 | BB/9 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Since 2023Home | 4.28 | 1.39 | 61.0 | 10.2 | 5.0 | ||||
| Since 2023Away | 2.73 | 1.09 | 62.2 | 10.3 | 4.7 | ||||
| 2025Home | 0 | 0 | 0 | 0 | 0 | ||||
| 2025Away | 0 | 0 | 0 | 0 | 0 | ||||
| 2024Home | 4.61 | 1.50 | 27.1 | 8.2 | 5.6 | ||||
| 2024Away | 3.41 | 1.10 | 29.0 | 9.3 | 4.3 | ||||
| 2023Home | 4.01 | 1.31 | 33.2 | 11.8 | 4.5 | ||||
| 2023Away | 2.14 | 1.07 | 33.2 | 11.2 | 5.1 | ||||
| More Splits→ | View More Split Stats | ||||||||
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Defensive Stats
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Past Fantasy Outlooks
2024
2023
Diaz emerged last year as one of the best closers for fantasy purposes, boasting nine wins and 37 saves with solid ratios and a 30% strikeout rate. While his save total was fourth highest in the majors, Diaz only accounted for 69.8% of the Reds' 53 saves. Cincinnati was more competitive last year, but led the league in one-run games and recorded a save in a league-leading 64.6% of their 82 wins. As such, expecting Diaz to approach the 40-save mark again in 2024 might be a mistake, especially given the 27-year-old's perennially high walk rate. Diaz did adjust his pitch usage, opting to throw far more sliders (51.5% usage) than he did in 2022 (35.2%). It was one of the best sliders in baseball per Statcast Run Value (16), while his four-seamer lost some velocity (-1.2 mph) and wasn't as effective. Diaz also faded down the stretch, possibly due to a career-high 71 appearances. Look for him to be one of the top 10 closers off the board, but don't lock in a repeat of last season's stats.
More Fantasy News
Out with hamstring injury
Diaz was diagnosed with hamstring inflammation Sunday and will begin the season on the injured list, Gordon Wittenmyer of The Cincinnati Enquirer reports.
ANALYSIS
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May not close games
Diaz had command issues in an outing against White Sox minor leaguers Friday, Gordon Wittenmyer of the Cincinnati Enquirer reports. In a subsequent report from Wittenmyer, Reds manager Terry Francona was not ready to endorse Diaz as the Reds' closer.
ANALYSIS
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To pitch in minors game Tuesday
Diaz will pitch in a minor-league game Tuesday, Mark Sheldon of MLB.com reports.
ANALYSIS
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Ugly outing Saturday
Diaz allowed five runs on three hits and three walks while striking out one over a third of an inning in Saturday's Cactus League game against Kansas City.
ANALYSIS
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Makes spring debut
Diaz (hamstring) allowed one hit and one walk over a scoreless inning in Sunday's spring game against the Angels.
ANALYSIS
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Latest Fantasy Rumors
Interest from Washington, Tampa Bay
The Nationals and Rays are among the teams to show trade interest in Diaz, Jack Azoulay-Haron of MLB Nerds reports.
ANALYSIS
Azoulay-Haron writes of Diaz that the Reds "have been shopping him around." Diaz, 28, had a disappointing 3.99 ERA and 55:31 K:BB over 56.1 frames in 2024. He is projected to earn around $4 million in 2025 in his first year of arbitration eligibility.
Azoulay-Haron writes of Diaz that the Reds "have been shopping him around." Diaz, 28, had a disappointing 3.99 ERA and 55:31 K:BB over 56.1 frames in 2024. He is projected to earn around $4 million in 2025 in his first year of arbitration eligibility.