Knee surgery knocked Thomas out for most of 2010 .
Thomas spent all of last season at Triple - A , hitting . 251 /. 314 /. 401 with 12 homers and an ugly 130 - to - 32 strikeout - to - walk ratio in 113 games .
Knee surgery knocked Thomas out for most of 2010 and he spent all of last season at Triple - A , hitting . 251 /. 314 /. 401 with 12 homers and an ugly 130 - to - 32 strikeout - to - walk ratio in 113 games .