Walker was waived, while Pedescleaux was placed on injured reserve with an undisclosed injury.
Ball is a second-year player who appeared in one game in 2008 for Indianapolis. In the Colts' regular-season finale, Ball took 13 carries for 83 yards, adding 5 yards on 1 reception. He fumbled once (recovered by the Colts). During the 2009 preseason (for the Colts), Ball rushed 35 times for 86 yards (2.5 YPA) and caught 3 passes for 32 yards with zero touchdowns and 1 fumble (recovered by Indianapolis). In addition to his time with Indianapolis, the former Maryland Terp has been a practice-squad member of the Rams and Titans.
Powell was originally drafted by Denver in 2008 (5th Round, #148 overall) but missed the entire season due to an injury to his Achilles tendon. A teammate of Eddie Royal's at Virginia Tech, Powell was waived by the Broncos in September before spending two weeks on the Browns' practice squad.