Aaron Donald formally worked out for the Los Angeles Rams on Wednesday, presumably taking one of the final steps before the superstar defensive tackle decides whether to end his 2 1/2-year retirement. WATCH HERE WATCH HEREDonald has been working out at the Rams' Woodland Hills training complex and at home for several weeks in his attempt to return to NFL shape. He won the AP NFL Defensive Player of the Year award three times along with eight All-Pro selections, 10 Pro Bowl selections and a Super Bowl championship ring. Donald apparently began to entertain the idea of a comeback early last month after the Rams traded for Garrett, one of Donald's few contemporary peers. Los Angeles Rams defensive tackle Aaron Donald announced his retirement on social media Friday.