O'Connell (QB/6-5/250/San Diego St./Carlsbad, CA) was originally drafted by the Patriots in the third round (94th overall) of the 2008 NFL Draft and appeared in two games as a reserve, completing 4-of-6 passes for 23 yards. He was waived by New England and claimed by Detroit on Sept. 1.
Davis (FB/5-10/242/Illinois/St. Louis, MO) split time in 2008 between Chicago and Oakland, playing in six games, starting three, catching one pass for 12 yards and recording one carry for no gain for Chicago. He was originally signed as an undrafted free agent by the Eagles in 2006, and spent 2006 on injured reserve and 2007 on the Eagles practice squad before he was waived after training camp in 2008.
Trapasso (P/5-11/225/Ohio State/Pickerington, OH) signed with Tennessee as an undrafted free agent on April 30, 2009. He punted for four years at Ohio State and totaled 203 attempts for 8,317 yards (41.0 avg., long of 76) in 51 games as well as 10 touchbacks in 27 kickoffs. He was a Ray Guy Award semifinalist his senior season after averaging 41.4 yards on 58 punts with 21 punts inside-the-20.
Mulligan (TE/6-4/270/Maine/Enfield, ME) signed with the Tennessee practice squad on Nov. 19, 2008. He originally entered the NFL with the Miami Dolphins as an undrafted free agent on May 1, 2008 and spent the first nine weeks of the 2008 season on the Dolphins' practice squad before being released. In two seasons at Maine, he recorded 23 receptions for 268 yards and two touchdowns.