Athletics third baseman Scott Sizemore will miss the entire 2012 season after tearing a ligament in his left knee last weekend during Oakland's first full-squad workout.
Sizemore was injured Saturday at Oakland's spring training camp in Phoenix. He had an MRI exam and the A's announced Monday that he had torn his anterior cruciate ligament.
''Broken heart right here. Safe to say I've cried more over baseball than anything in my life,'' tweeted Sizemore's wife, Brooke.
The 27-year-old Sizemore was acquired by Oakland last May in a trade with Detroit. He hit .249 with 11 home runs and 52 RBIs in 93 games with the A's.
''I really feel badly for Scott,'' A's manager Bob Melvin said. ''He's worked extremely hard and was ready for a breakout season this year. We were counting on him to provide some much-needed power from the right side of the plate. Now his total focus has to be on a successful surgery and rehabilitation so he can return stronger than ever.''
Because of swelling, Siz...