Below are the 2025 Week 18 top 10 power rankings for relief pitchers.
1. Josh Hader, Houston Astros
Jul 21, 2025; Phoenix, Arizona, USA; Houston Astros pitcher Josh Hader (71) throws against the Arizona Diamondbacks in the first inning at Chase Field. Mandatory Credit: Rick Scuteri-Imagn Images
Hader has a 2.42 ERA, 0.83 WHIP, 25 saves, and 66 strikeouts in 44.2 innings.
2. Andres Munoz, Seattle Mariners
Jul 15, 2025; Cumberland, Georgia, USA; American League pitcher Andres Munoz (75) of the Seattle Mariners pitches in the eighth inning during the 2025 MLB All Star Game at Truist Park. Mandatory Credit: Brett Davis-Imagn Images
Munoz has a 1.46 ERA, 0.89 WHIP, 21 saves, and 48 strikeouts in 37 innings.
3. Aroldis Chapman, Boston Red Sox
Jul 10, 2025; Boston, Massachusetts, USA; Boston Red Sox relief pitcher Aroldis Chapman (44) pitches against the Tampa Bay Rays during the ninth inning at Fenway Park. Mandatory Credit: Eric Canha-Imagn Images
Chapman has a 1.18 ERA, 0.76 WHIP, 17 saves, and 58 strikeouts in 38 innings.
4. Carlos Estevez, Kansas City Royals
Jul 15, 2025; Cumberland, Georgia, USA; American League pitcher Carlos Estevez (53) of the Kansas City Royals reacts in the seventh inning during the 2025 MLB All Star Game at Truist Park. Mandatory Credit: Brett Davis-Imagn Images
Estevez has a 2.74 ERA, 1.15 WHIP, 26 saves, and 35 strikeouts in 42.2 innings.
5. Edwin Diaz, New York Mets
Jul 21, 2025; New York City, New York, USA; New York Mets relief pitcher Edwin Diaz (39) follows through on a pitch against the Los Angeles Angels during the ninth inning at Citi Field. Mandatory Credit: Brad Penner-Imagn Images
Diaz has a 1.64 ERA, 0.91 WHIP, 19 saves, and 56 strikeouts in 38.1 innings.
6. Randy Rodriguez, San Francisco Giants
Jun 5, 2025; San Francisco, California, USA; San Francisco Giants relief pitcher Randy Rodriguez (73) returns to the dugout during the eighth inning against the San Diego Padres at Oracle Park. Mandatory Credit: Kelley L Cox-Imagn Images
Rodriguez has a 0.84 ERA, 0.80 WHIP, one save, 13 holds, and 56 strikeouts in 42.2 innings.
7. Bryan Abreu, Houston Astros
Jul 6, 2025; Los Angeles, California, USA; Houston Astros relief pitcher Bryan Abreu (52) delivers in the ninth inning against the Los Angeles Dodgers at Dodger Stadium. Mandatory Credit: Jayne Kamin-Oncea-Imagn Images
Abreu has a 1.83 ERA, 1.08 WHIP, 23 holds, and 70 strikeouts in 44.1 innings.
8. Emilio Pagan, Cincinnati Reds
Jul 19, 2025; New York City, New York, USA; Cincinnati Reds relief pitcher Emilio Pagan (15) follows through on a pitch against the New York Mets during the ninth inning at Citi Field. Mandatory Credit: Brad Penner-Imagn Images
Pagan has a 2.83 ERA, 0.94 WHIP, 21 saves, and 51 strikeouts in 41.1 innings.
9. Robert Suarez, San Diego Padres
Jul 15, 2025; Cumberland, Georgia, USA; National League pitcher Robert Suarez (75) of the San Diego Padres pitches during the ninth inning during the 2025 MLB All Star Game at Truist Park. Mandatory Credit: Dale Zanine-Imagn Images
Suarez has a 3.54 ERA, 1.03 WHIP, 28 saves, and 43 strikeouts in 40.2 innings.
10. Abner Uribe, Milwaukee Brewers
Jul 18, 2025; Los Angeles, California, USA; Milwaukee Brewers pitcher Abner Uribe (45) reacts following the seventh inning against the Los Angeles Dodgers at Dodger Stadium. Mandatory Credit: Gary A. Vasquez-Imagn Images
Uribe has a 2.23 ERA, 1.14 WHIP, two saves, 27 holds, and 60 strikeouts in 48.1 innings.
By Louis Friedl 
Angel Atienza-Romero