White Sox starting pitcher Jeff Samardzija

Athletics pitcher Jeff Samardzija delivers against the Tampa Bay Rays.  (Thearon W. Henderson / Getty Images)

As of Monday night, the Sox reportedly signed free-agent closer David Robertson to a four-year deal and were nearing the completion of a trade for A’s starting pitcher Jeff Samardzija.  (Jamie Squire / Getty Images)

Athletics starting pitcher Jeff Samardzija during batting practice, before the start of his team’s game against the Chicago White Sox at U.S. Cellular Field.  (Nuccio DiNuzzo / Chicago Tribune)

Jeff Samardzija reacts during his first game starting with the A’s.  (Ezra Shaw / Getty Images)

Jeff Samardzija throws against the Washington Nationals.  (Nuccio DiNuzzo / Chicago Tribune)

Jeff Samardzija heads to the bullpen to get loose before a game against the Yankees.  (Phil Velasquez / Chicago Tribune)

Jeff Samardzija poses for a photograph beside Paul Konerko as Konerko is honored by the Cubs before a game at Wrigley Field.  (Chris Sweda / Chicago Tribune)

Jeff Samardzija delivers to the Arizona Diamonbacks while wearing a Chicago Federals throwback jersey on Wrigley Field’s 100th birthday.   (Brian Cassella / Chicago Tribune)

Ernie Banks, Jeff Samardzija, Philadelphia Phillies manager Ryne Sandberg and Fergie Jenkins gather for the ceremonial first pitches at Wrigley Field.  (John J. Kim / Chicago Tribune)

Jeff Samardzija has a laugh with teammate Starlin Castro while walking to the dugout against the Phillies.  (Chris Sweda / Chicago Tribune)

Jeff Samardzija is introduced at the 2014 Cubs Convention.  (Phil Velasquez / Chicago Tribune)

John Lisy, 6, watches as Cubs pitcher Jeff Samardzija signs an autograph during the 2014 Cubs Convention.  (John J. Kim / Chicago Tribune)

Jeff Samarzija and team president Theo Epstein chat at the Cubs convention.  (Phil Velasquez / Chicago Tribune)

Jeff Samardzija celebrates his 6-3 win over the Colorado Rockies.  (Brian Cassella / Chicago Tribune)

Jeff Samardzija walks out of the dugout before the start of a game against the Pittsburgh Pirates.  (Chris Sweda / Chicago Tribune)

Chicago White Sox’ Paul Konerko defeats Cubs’ Jeff Samardzija in “Shoot the Puck” as Blackhawks play Detroit Red Wings in Game 7 of NHL Western Conference semifinals at United Center.  (Scott Strazzante / Chicago Tribune)