It's not a stretch to think the guy can still play, especially as a specialist in part of a rotation. Could he be of interest to the Rams? Without a doubt, the Rams could always use another pass rusher, but signing Ellis would give them another DE who will be 34-years-old to start the season, the other being Leonard Little. They also have James Hall, last season's sack leader, who's 32. Signing a player in his thirties doesn't fit with the direction the Rams have been moving this spring, making over their roster into one of the league's youngest.
This report at Rotoworld suggested the Rams look into his services