TEMPE, Ariz. >> The Arizona Cardinals have signed receiver Robby Toma, and released tight end Kyle Auffray and running back William Powell.

Arizona also waived receiver Michael Rios with a non-football injury.

Toma is a rookie free agent from Notre Dame, where he caught 24 passes for 252 yards in 13 games as a senior last year. He was also a stand-out athlete at Punahou School.

Powell, in his second year out of Kansas State, ran for 217 yards and caught 19 passes for 132 yards last season.