2010 MLB closers - final report

***2010 MLB closer report last updated 10/2/10 12:00 AM***

For 2011 MLB closers - the most thorough information on MLB bullpens - click here.

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Closers are listed at the top under each team name. Their competition follows. This list will be updated throughout the regular season:

Arizona Diamondbacks:
Juan Gutierrez
Aaron Heilman
Blaine Boyer
Esmerling Vazquez
Chad Qualls

Atlanta Braves:
Billy Wagner (L)
Jonny Venters (L)
Peter Moylan
Takashi Saito
Eric O'Flaherty (L)

Baltimore Orioles:
Alfredo Simon
Matt Albers
Mark Hendrickson (L)
Koji Uehara
Will Ohman (L)

Boston Red Sox:
Jonathan Papelbon
Daniel Bard
Hideki Okajima (L)
Manny Delcarmen
Ramon Ramirez

Chicago Cubs:
Carlos Marmol
Kerry Wood
Sean Marshall (L)
Andrew Cashner
James Russell (L)
Justin Berg

Chicago White Sox:
Bobby Jenks
Tony Pena
Matt Thornton (L)
J.J. Putz
Sergio Santos

Cincinnati Reds:
Francisco Cordero
Nick Masset
Logan Ondrusek
Arthur Rhodes (L)
Jordan Smith

Cleveland Indians:
Chris Perez
Rafael Perez (L)
Tony Sipp (L)
Joe Smith
Frank Herrmann

Colorado Rockies:
Huston Street
Matt Belisle
Manuel Corpas
Rafael Betancourt
Joe Beimel (L)

Detroit Tigers:
Jose Valverde
Brad Thomas (L)
Eddie Bonine
Phil Coke (L)
Ryan Perry

Florida Marlins:
Leo Nunez
Brian Sanches
Mike Dunn (L)
Clay Hensley
Jose Veras
Burke Badenhop

Houston Astros:
Brandon Lyon
Matt Lindstrom
Wilton Lopez
Jeff Fulchino
Tim Byrdak (L)

Kansas City Royals:
Joakim Soria
Robinson Tejada
Dusty Hughes (L)
Kyle Farnsworth
Blake Wood

Los Angeles Angels:
Fernando Rodney
Brian Fuentes (L)
Kevin Jepsen
Francisco Rodriguez
Scot Shields

Los Angeles Dodgers:
Jonathon Broxton
Hong Chih Kuo (L)
Ronald Belisario
Ramon Troncoso
George Sherrill (L)

Milwaukee Brewers:
John Axford
Todd Coffey
Kameron Loe
Carlos Villanueva
Trevor Hoffman

Minnesota Twins:
Jon Rauch
Matt Guerrier
Jesse Crain
Jose Mijares (L)
Brian Dunsing (L)

New York Mets:
Francisco Rodriguez
Hisanori Takahashi (L)
Pedro Feliciano (L)
Elmer Dessens
Manny Acosta

New York Yankees:
Mariano Rivera
Joba Chamberlain
David Robertson
Boone Logan (L)
Chad Gaudin

Oakland Athletics:
Andrew Bailey
Craig Breslow (L)
Brad Ziegler
Jerry Blevins (L)
Michael Wuertz

Philadelphia Phillies:
Brad Lidge
Ryan Madson
Jose Contreras
Chad Durbin
J.C. Romero (L)

Pittsburgh Pirates:
Octavio Dotel
Evan Meek
Joel Hanrahan
D.J. Carrasco
Javier Lopez (L)

St. Louis Cardinals:
Ryan Franklin
Kyle McClellan
Mitchell Boggs
Dennys Reyes (L)
Trever Miller (L)

San Diego Padres:
Heath Bell
Luke Gregerson
Edward Mujica
Mike Adams
Joe Thatcher (L)

San Francisco Giants:
Brian Wilson
Jeremy Affeldt (L)
Sergio Romo
Guillermo Mota
Santiago Casilla - 15-day DL as of Apr 1, 2011 (Right elbow inflammation)

Seattle Mariners:
David Aardsma
Brandon League
Jamey Wright
Garrett Olson (L)
Sean White

Tampa Bay Rays:
Rafael Soriano
Joaquin Benoit
Dan Wheeler
Randy Choate (L)
Lance Cormier

Texas Rangers:
Neftali Feliz
Darren Oliver (L)
Frank Francisco
Darren O'Day
Alexi Ogando

Toronto Blue Jays:
Kevin Gregg
Jason Frason
Scott Downs (L)
Casey Janssen
Shawn Camp

Washington Nationals:
Matt Capps
Drew Storen
Sean Burnett (L)
Tyler Clippard
Miguel Batista