FILE - These are 2009 file photos showing Carlos Silva and Milton Bradley. A baseball official with knowledge of the trade says the Mariners have acquired...

FILE - This is an April 25, 2009, file photo showing Seattle Mariners starting pitcher Carlos Silva working against the Los Angeles Angels in the third inning of a baseball game in Anaheim...

...Seattle Mariners from the Chicago Cubs on Friday, Dec. 18, 2009, for expensive and underperforming pitcher Carlos Silva. (AP Photo/Charles Re

Seattle Mariners' Carlos Silva, left, plants a kiss on the cheek of teammate Ichiro Suzuki after his home run against...

ANAHEIM, CA - APRIL 25: Pitcher Carlos Silva #52 of the Seattle Mariners throws against the Los Angeles Angels during the thrid inning of...

LOS ANGELES, CA - MARCH 21: Pitching coach Roberto Espinoza #10 of Venezuela relieves starting pitcher Carlos Silva #52 of in the second inning of the semifinal game against Korea of the 2009 World...

Seattle Mariners starting pitcher Carlos Silva throws to the Oakland Athletics in the second inning of a baseball game in Oakland, Calif...

Carlos Silva #52 of the Minnesota Twins throws a pitch against the New York Yankees at Yankee Stadium...

Kansas City Royals v Minnesota Twins MINNEAPOLIS - JULY 31: Carlos Silva of the Minnesota Twins pitches in a game against the Kansas City Royals at the Humphrey...

Carlos Silva #52 of the Minnesota Twins throws a pitch against the New York Yankees at Yankee Stadium...

Carlos Silva is 5-0 with a 3.11 ERA in seven starts thus far

Carlos Silva is among the shaky starters in the Twins' rotation

Jonathan Woodgate battles with Carlos Silva Welton

...Villar, Claudio Morel, Dario Veron, Jonathan Santana, Paulo Da Silva and Nelson Haedo. Front row: Eduardo Ledesma, Cristian Riveros, Osvaldo Martinez, Salvador Cabanas and Carlos Bonet.(AP Photo/Jorge Saenz

...Carr. Back row: Team Physician Dr. Thomas Silva, assistant coach Jimmy Rodgers, Gerald Henderson, Stott Wedman, Greg Kite, Robert Parish, Kevin McHale, Dennis Johnson, Danny Ainge, Carlos Clark, assistant coach Chris Ford and Trainer...