Patterson, a left-handed power-speed hitter, hit .269 last season in 461 at-bats with the Orioles. He had eight home runs with 45 RBI and 37 steals in 46 attempts. His on-base percentage was .304. He really came on after the All-Star break, hitting .313 when he became a full-time starter.
In 2006 Patterson hit .276 with 16 homers and 53 RBI with 45 steals in 54 attempts. His on-base percentage was .314.
Patterson is a former blue-chip prospect who came up with the Cubs and made his major-league debut as a 21-year-old in 2000. In his career, he has 168 steals, 94 homers and 329 RBI and is a .258 hitter.
Hairston, a right-handed hitter, also has Cubs ties, playing with them in 2005 and 2006.
He hit .189 last season with Texas in 159 at-bats. He played all the outfield spots and shortstop, second base and third base. He's a lifetime .253 hitter with a .325 on-base percentage in 2,534 at-bats since 1998 with 112 career steals.