Here is a list of 2012 MLB Free agent starting and relief pitchers. These MLB free agents will be unrestricted following the 2011 MLB season.

Also check out 2012 MLB Free agent position players, Type A/B Free Agents and our Top 25 free agent list.

2012 MLB Free Agents - Starting Pitchers
Players	Age	2011 Team	2012 Team and Contract notes
Erik Bedard	32	BOS	Signed with the Pirates. 1 year, $4.5 million.
Andrew Brackman	26	NYY
Mark Buehrle	32	CWS	Signed with the Marlins. 4 years, $58 million.
Chris Capuano	33	NYM	Signed with the Dodgers. 2 years, 10 million.
Bruce Chen	34	KC	Re-signs with the Royals. 2 years, $9 million.
Bartolo Colon	38	NYY	Signed with the A's. 1 year, $900,000.
Aaron Cook	32	COL
Yu Darvish	25	Japan	Signed with the Rangers. 6 years, $60 million.
Jeff Francis	30	KC
Freddy Garcia	35	NYY	Re-signed with the Yankees. 1 year , $4 million
Jon Garland	32	LAD
Aaron Harang	33	SD	Signed with the Dodgers. 2 years, $12 million.
Rich Harden	29	OAK
Livan Hernandez	36	WAS
Hisashi Iwakuma	30	Japan	Signed with the Mariners. 1 year, $1.5 million
Edwin Jackson	28	STL
Hiroki Kuroda	36	LAD
Rodrigo Lopez	35	CHC
Paul Maholm	29	PIT	Signed with the Cubs. 1 year, $4.75 million
Jason Marquis	33	ARI	Signed with the Twins. 1 year, $3 million.
Kevin Millwood	36	COL
Roy Oswalt	34	PHI
Micah Owings	29	ARI
Brad Penny	33	DET
Joel Pineiro	33	LAA
Jo-Jo Reyes	27	BAL
Joe Saunders	30	ARI
Javier Vazquez	35	FLA
Tsuyoshi Wada	30	Japan	Signed with the Orioles. 2 years, $8.15 million.
Tim Wakefield	45	BOS
Chien-Ming Wang	31	WAS	Re-signed with the Nationals. 1 year, $4 million.
Brandon Webb	32	TEX
Dontrelle Willis	29	CIN	Signed with the Phillies. 1 year, $850,000.
C.J. Wilson	30	TEX	Signed with the Angels. 5 years, $77.5 million.
Chris Young	32	NYM

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2012 MLB Free Agents - Relief Pitchers
Players	Age	2011 Team	2012 Team and Contract notes
Luis Ayala	33	NYY
Miguel Batista	40	NYM
Heath Bell	34	SD	Signed with the Marlies. 3 years, possibly for $27 million.
Jonathan Broxton	27	LAD	Signed with the Royals. 1 year. $4 million.
Shawn Camp	35	TOR
Matt Capps	28	MIN	Re-signed with the Twins. 1 year, $4.75 million.
Todd Coffey	31	WAS
Francisco Cordero	36	CIN	Signed with the Blue Jays. 1 year, $4.5 million.
Dan Cortes	24	SEA
Juan Cruz	33	TB
Octavio Dotel	38	STL	Signed with the Tigers. 1 year, $3.5 million.
Zach Duke	28	ARI
Chad Durbin	33	CLE
Willie Eyre	33	BAL
Frank Francisco	32	TOR	Signed with the Mets. 2 years, $12 million.
Mike Gonzalez	33	TEX
John Grabow	32	CHC	Signed a minor league deal with the Dodgers.
LaTroy Hawkins	38	MIL	Signed with the Angels. 1 year, $3 million.
Clay Hensley	32	FLA
Rich Hill	31	BOS
Hong-Chih Kuo	30	LAD
Aaron Laffey	26	KC
Brad Lidge	34	PHI
Scott Linebrink	35	ATL
Mike MacDougal	34	LAD
Ryan Madson	31	PHI	Signed with the Reds. 1 year, $8.5 million
Damaso Marte	36	NYY
Jose Mijares	27	MIN	Signed with the Royals. 1 year, $925,000
Trever Miller	38	BOS
Sergio Mitre	30	NYY
Guillermo Mota	38	SF	Re-signed with the Giants. 1 year, $1 million
Peter Moylan	33	ATL
Joe Nathan	36	MIN	Signed with the Rangers. 2 years, $14.5 million
Darren Oliver	41	TEX	Signed with the Blue Jays. 1 year, $4 million
Ramon Ortiz	38	CHC
Vicente Padilla	34	LAD
Jonathan Papelbon	30	BOS	Signed with the Phillies. 4 years, $50 million.
Chad Qualls	33	SD
Horacio Ramirez	31	LAA
Jon Rauch	33	TOR	Signed with the Mets. 1 year, $3.5 million.
Arthur Rhodes	42	STL
Fernando Rodney	34	LAA	Signed with the Rays. 1 year, $2 million
Francisco Rodriguez	28	MIL	Accepted Arbitration
J.C. Romero	35	COL	Signed with the Cardinals. 1 year.
Takashi Saito	41	MIL	Signed with the Diamondbacks. 1 year, $1.75 million.
George Sherrill	34	ATL	Signed with the Mariners. 1 year, $1.1 million
Doug Slaten	31	WAS
Andy Sonnanstine	28	TB
Dan Wheeler	34	BOS
Kerry Wood	34	CHC	Re-signed with the Cubs. 1 year, $3 million
Jamey Wright	36	SEA
Joel Zumaya	26	DET

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Sources:
MLBTradeRumors.com
Cot's Baseball Contracts