Bako, 34, has batted .236 in nine major league seasons, mostly as a back-up, with eight different major league teams. He began his big league career with Detroit in 1998 and spent the next seven years in the National League before returning to the American League with Kansas City in 2006. He played in 96 games, hit .272 and had 30 RBI as a rookie with the Tigers in 1998, all career highs.
A left-handed hitter, Bako hit .209 in 56 games with the Royals in 2006. He batted .295 (18-61) between May and June but combined to bat just .169 (12-71) the rest of the season.
He has thrown out nearly 30 percent (129 of 440) of runners attempting to steal off him in his career.