Dustin Ackley of the Seattle Mariners hits an RBI single in front of Oakland Athletics catcher Kurt Suzuki in the 11th inning of their American League season-opening baseball game at the Tokyo Dome in Tokyo on Wednesday, March 28, 2012. Seattle won 3-1. (AP Photo/Itsuo Inouye)
Oakland Athletics' Brad Peacock during a spring training baseball game against the Los Angeles Angels Monday, March 5, 2012, in Phoenix. (AP Photo/Darron Cummings)
Gio Gonzalez, greeting members of the media at Nationals Park, will be part of a rotation that includes Stephen Strasburg and Jordan Zimmermann. (Andrew Harnik/The Washington Times)
Washington Nationals general manager Mike Rizzo traded four top prospects to the Oakland Athletics for right-hander Gio Gonzalez, who was introduced at Nationals Park on Wednesday. (Andrew Harnik/The Washington Times)
FILE - In this April 14, 2011, file photo, Oakland Athletics' Gio Gonzalez pitches against the Detroit Tigers during a game in Oakland, Calif. The Washington Nationals acquired the left-hander (pending physicals) for four prospects Thursday evening. (AP Photo/Ben Margot, File)
A Detroit Tiger celebrates after clinching the AL Central Division title at the end of a baseball game against the Oakland Athletics, Friday, Sept. 16, 2011, in Oakland, Calif. (AP Photo/Ben Margot)
Police and fans look over the railing where a fan fell from the stands during the second inning of a baseball game between the Texas Rangers and the Oakland Athletics, Thursday, July 7, 2011, in Arlington, Texas. (AP Photo/Jeffery Washington)
Oakland Athletics starting pitcher Trevor Cahill pitches during fourth inning AL action against the Toronto Blue Jays in Toronto on Thursday, April 7, 2011. (AP Photo/The Canadian Press, Frank Gunn)
Minnesota Twins' Joe Mauer (7) hits an RBI-single to take the lead 2-1 against Oakland Athletics catcher Kurt Suzuki during the eighth inning of an MLB baseball game on Friday, April 8, 2011, in Minneapolis, Minn. The Twins defeated the Athletics 2-1. (AP Photo/Genevieve Ross)
Oakland Athletics' Trevor Cahill wipes his face during the first inning of a baseball game against the Seattle Mariners Friday, April 1, 2011, in Oakland, Calif. (AP Photo/Ben Margot)
San Francisco Giants second baseman Freddy Sanchez (21) tags out Oakland Athletics' Hideki Matsui as Matsui tried to steal second base during the second inning of a spring training baseball game in Oakland, Calif., Tuesday, March 29, 2011. (AP Photo/Marcio Jose Sanchez)
San Francisco Giants second baseman Freddy Sanchez catches a wide throw from catcher Buster Posey on a steal attempt by Oakland Athletics' Kurt Suzuki during the sixth inning of a spring training baseball game in San Francisco, Monday, March 28, 2011. (AP Photo/Marcio Jose Sanchez)
Oakland Athletics' Hideki Matsui of Japan, warms up before a spring training baseball game against the Kansas City Royals in Phoenix, Thursday, March 10, 2011. (AP Photo/Chris Carlson)
Oakland Athletics left fielder Hideki Matsui has his hair brushed while shooting a commercial for a Japanese company at the team's spring training baseball facility in Phoenix, Saturday, Feb. 19, 2011. (AP Photo/Marcio Jose Sanchez)
Texas Rangers' Cliff Lee works against the Oakland Athletics during the first inning of a baseball game Thursday, Sept. 23, 2010, in Oakland, Calif. (AP Photo/Ben Margot)
The Texas Rangers celebrate after defeating the Oakland Athletics to clinch the AL West title after a baseball game Saturday, Sept. 25, 2010, in Oakland, Calif. (AP Photo/Ben Margot)
New York Yankees pitcher Andy Pettitte watches from the dugout during the Yankees' 11-5 win over the Oakland Athletics in a baseball game Monday, Aug. 30, 2010, at Yankee Stadium in New York. (AP Photo/Bill Kostroun)
Texas Rangers' Josh Hamilton follows through on a run-scoring single to center in the third inning of a baseball game Sunday, Aug. 29, 2010, in Arlington, Texas. At left is Oakland Athletics catcher Kurt Suzuki. Hamilton drove in the only two runs for Texas in the 8-2 loss to the Athletics. (AP Photo/Tony Gutierrez)
The Tampa Bay Rays' Carlos Pena gets a hug from Evan Longoria after his two-run home run against the Oakland Athletics in the fourth inning of an MLB baseball game, Thursday, Aug. 19, 2010 in Oakland, Calif. (AP Photo/Dino Vournas)