The Jets running back played in only 22 games over three seasons at Washington State because of injuries, achieving rushing stats in 14 of them (thanks to sports-reference.com).
When he transferred to Tiffin University after getting kicked off the Cougars he played very well in five games before a knee injury sidelined him for the rest of the season. Between both schools Ivory never played more than five consecutive games in college.
Ivory went undrafted but the Saints picked him up before the 2010 season. That year he hurt his knee (MCL), suffered a concussion, a separated shoulder and a hamstring strain before a Lisfranc injury capped his season. Only three of the injuries (knee, hamstring, foot) cost him playing time -- he managed to play in 11 straight games (12 total).
A sports hernia in August of 2011 forced him to begin that year on the PUP list. He was activated in Week 9 but was out for Weeks 10-14 with a hamstring injury. Ivory played in six games in 2011 with a high of four consecutive games.
During OTAs in the spring of 2012 he hurt his hamstring and was a "healthy scratch" until November. He played five straight games before his hamstrings cost him three more games.
Ivory already cost himself 17 days of camp this summer with a hamstring problem.