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From the vault · October 15, 2008 · 2008 NLCS, Game 5: The Philadelphia Phillies beat the Los Angeles Dodgers 5–1 at Dodger Stadium to win the NL pennant, 4 games to 1. ▶ Video ↗

Reliever of the MonthWWikipedia↗

2005–2025 · 128 awarded to 77 people · AL, ML, NL

Most wins

Josh Hader 7
Craig Kimbrel 5
Aroldis Chapman 4
Edwin Diaz 4
Raisel Iglesias 4

Latest (2025)

Andres Munoz AL
Aroldis Chapman AL
Cade Smith AL
Jhoan Duran AL
Josh Hader AL
Kenley Jansen AL
+5 more

First (2005)

Brad Lidge
Chad Cordero
Jose Mesa
Ryan Dempster

Longest run

Trevor Hoffman 3 straight to 2007

Winners

Year	Lg	Winner	Team	Notes
2025	AL	Andres Munoz	Seattle Mariners	April
2025	AL	Aroldis Chapman	Boston Red Sox	August
2025	AL	Cade Smith	Cleveland Guardians	September
2025	AL	Jhoan Duran	Minnesota Twins	May
2025	AL	Josh Hader	Houston Astros	June
2025	AL	Kenley Jansen	Los Angeles Angels of Anaheim	July
2025	NL	David Bednar	Pittsburgh Pirates	June
2025	NL	Edwin Diaz	New York Mets	July
2025	NL	Mason Miller	Athletics	September
2025	NL	Raisel Iglesias	Atlanta Braves	August
2025	NL	Robert Suarez	San Diego Padres	April
2024	AL	Carlos Estevez	Los Angeles Angels of Anaheim	June
2024	AL	Emmanuel Clase	Cleveland Guardians	July
2024	AL	Josh Hader	Houston Astros	August
2024	AL	Mason Miller	Oakland Athletics	April
2024	NL	Raisel Iglesias	Atlanta Braves	August
2024	NL	Robert Suarez	San Diego Padres	May
2024	NL	Ryan Helsley	St. Louis Cardinals	April
2024	NL	Tanner Scott	Miami Marlins	July
2023	AL	Alex Lange	Detroit Tigers	May
2023	AL	Andres Munoz	Seattle Mariners	August
2023	AL	Clay Holmes	New York Yankees	September
2023	AL	Felix Bautista	Baltimore Orioles	April
2023	NL	Camilo Doval	San Francisco Giants	May
2023	NL	Craig Kimbrel	Philadelphia Phillies	June
2023	NL	Devin Williams	Milwaukee Brewers	July
2023	NL	Josh Hader	San Diego Padres	April
2023	NL	Raisel Iglesias	Atlanta Braves	August
2023	NL	Tanner Scott	Miami Marlins	September
2022	AL	Clay Holmes	New York Yankees	May
2022	AL	Emmanuel Clase	Cleveland Guardians	August
2022	AL	Jordan Romano	Toronto Blue Jays	April
2022	NL	Camilo Doval	San Francisco Giants	September
2022	NL	David Bednar	Pittsburgh Pirates	May
2022	NL	Edwin Diaz	New York Mets	August
2022	NL	Josh Hader	Milwaukee Brewers	April
2021	AL	Emmanuel Clase	Cleveland Indians	August
2021	AL	Liam Hendriks	Chicago White Sox	May
2021	AL	Lou Trivino	Oakland Athletics	June
2021	AL	Matt Barnes	Boston Red Sox	April
2021	AL	Raisel Iglesias	Los Angeles Angels of Anaheim	July
2021	NL	Camilo Doval	San Francisco Giants	September
2021	NL	Devin Williams	Milwaukee Brewers	August
2021	NL	Jake McGee	San Francisco Giants	July
2021	NL	Josh Hader	Milwaukee Brewers	June
2021	NL	Mark Melancon	San Diego Padres	April
2021	NL	Ryan Tepera	Chicago Cubs	May
2020	AL	Liam Hendriks	Oakland Athletics	July-August
2020	AL	Mike Mayers	Los Angeles Angels of Anaheim	September
2020	NL	Devin Williams	Milwaukee Brewers	September
2020	NL	Kenley Jansen	Los Angeles Dodgers	July-August
2019	AL	Aroldis Chapman	New York Yankees	August
2019	AL	Brandon Workman	Boston Red Sox	September
2019	AL	Liam Hendriks	Oakland Athletics	June
2019	AL	Shane Greene	Detroit Tigers	March-April
2019	AL	Tommy Kahnle	New York Yankees	July
2019	NL	Brent Suter	Milwaukee Brewers	September
2019	NL	Felipe Vazquez	Pittsburgh Pirates	August
2019	NL	Josh Hader	Milwaukee Brewers	June
2019	NL	Kirby Yates	San Diego Padres	March-April
2019	NL	Seth Lugo	New York Mets	July
2018	AL	Blake Treinen	Oakland Athletics	May
2018	AL	Edwin Diaz	Seattle Mariners	April
2018	NL	Brad Hand	San Diego Padres	May
2018	NL	Corey Knebel	Milwaukee Brewers	September
2018	NL	Felipe Vazquez	Pittsburgh Pirates	July
2018	NL	Hector Neris	Philadelphia Phillies	August
2018	NL	Josh Hader	Milwaukee Brewers	April
2018	NL	Kyle Barraclough	Miami Marlins	June
2017	AL	Alex Colome	Tampa Bay Rays	August
2017	AL	Aroldis Chapman	New York Yankees	September
2017	AL	Cody Allen	Cleveland Indians	April
2017	AL	Craig Kimbrel	Boston Red Sox	May
2017	AL	Edwin Diaz	Seattle Mariners	July
2017	AL	Roberto Osuna	Toronto Blue Jays	June
2017	NL	Brad Hand	San Diego Padres	July
2017	NL	Corey Knebel	Milwaukee Brewers	August
2017	NL	Greg Holland	Colorado Rockies	April
2017	NL	Kenley Jansen	Los Angeles Dodgers	June
2017	NL	Sean Doolittle	Washington Nationals	September
2013	ML	Craig Kimbrel	Atlanta Braves	August
2013	ML	Greg Holland	Kansas City Royals	July
2013	ML	Jason Grilli	Pittsburgh Pirates	April
2013	ML	Joe Nathan	Texas Rangers	June
2012	ML	Aroldis Chapman	Cincinnati Reds	August
2012	ML	Craig Kimbrel	Atlanta Braves	September
2012	ML	Jim Johnson	Baltimore Orioles	May
2012	ML	Jonathan Papelbon	Philadelphia Phillies	April
2012	ML	Tyler Clippard	Washington Nationals	June
2011	ML	Craig Kimbrel	Atlanta Braves	August
2011	ML	Huston Street	Colorado Rockies	April
2011	ML	J. J. Putz	Arizona Diamondbacks	May
2011	ML	Joel Hanrahan	Pittsburgh Pirates	June
2011	ML	John Axford	Milwaukee Brewers	July
2010	ML	Bobby Jenks	Chicago White Sox	June
2010	ML	Carlos Marmol	Chicago Cubs	September
2010	ML	Matt Capps	Washington Nationals	April
2010	ML	Rafael Soriano	Tampa Bay Rays	August
2009	ML	Heath Bell	San Diego Padres	April
2009	ML	Joakim Soria	Kansas City Royals	September
2009	ML	Joe Nathan	Minnesota Twins	June
2009	ML	Mariano Rivera	New York Yankees	July
2009	ML	Ryan Franklin	St. Louis Cardinals	August
2009	ML	Trevor Hoffman	Milwaukee Brewers	May
2008	ML	B. J. Ryan	Toronto Blue Jays	May
2008	ML	Francisco Rodriguez	Los Angeles Angels of Anaheim	June
2008	ML	Joakim Soria	Kansas City Royals	September
2008	ML	Joe Nathan	Minnesota Twins	July
2008	ML	Jose Valverde	Houston Astros	August
2008	ML	Mariano Rivera	New York Yankees	April
2007	ML	Billy Wagner	New York Mets	July
2007	ML	Francisco Cordero	Milwaukee Brewers	April
2007	ML	J. J. Putz	Seattle Mariners	June
2007	ML	Manny Corpas	Colorado Rockies	September
2007	ML	Takashi Saito	Los Angeles Dodgers	August
2007	ML	Trevor Hoffman	San Diego Padres	May
2006	ML	Bobby Jenks	Chicago White Sox	June
2006	ML	Francisco Rodriguez	Los Angeles Angels of Anaheim	August
2006	ML	Jason Isringhausen	St. Louis Cardinals	May
2006	ML	Joe Nathan	Minnesota Twins	July
2006	ML	Jonathan Papelbon	Boston Red Sox	April
2006	ML	Trevor Hoffman	San Diego Padres	September
2005	ML	Brad Lidge	Houston Astros	July
2005	ML	Chad Cordero	Washington Nationals	June
2005	ML	Jose Mesa	Pittsburgh Pirates	April
2005	ML	Ryan Dempster	Chicago Cubs	September
2005	ML	Todd Jones	Florida Marlins	August
2005	ML	Trevor Hoffman	San Diego Padres	May

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Reliever of the MonthWWikipedia↗

Winners