Complex sentence: His stay on the roster lasted only one game, as he was waived two days after the season opener to make room for Eddie Kennison on September 9th, moved to the Rams' practice squad.
Split into simpler sentences: His stay on the roster lasted only one game, as he was waived two days after the season opener to make room for Eddie Kennison on September 9. He was, however, moved to the Rams' practice squad.