The 6-foot, 225-pounder was the eighth-ranking rusher in University of Nebraska history. He originally signed with San Diego as an undrafted free agent May 2, 2003, and spent training camp and the preseason with the Chargers before being placed on waivers in the team's final cutdown for the regular season Sept. 1.
Diedrick helped Nebraska capture the 2001 national championship, rushing for a team-leading 1,299 yards, and subsequently closed out his career with 2,745 yards in 502 attempts, a 5.4-yard average, while scoring 26 touchdowns.
Moretti, a 6-1, 240-pounder, was originally signed by the Oakland Raiders as an undrafted free agent May 5, 2003, and was waived in training camp, Aug. 27. A two-year starter at Oregon, Moretti finished his career with 220 tackles (109 solo), including 6 sacks and 20 stops for loss. He was a second-team All-Pacific 10 Conference selection as a senior, registering a team-leading 121 tackles (63 solo), including 4 sacks and 10 stops for loss.