Complex sentence: Brown was one of only two players to have played for the original Cleveland Browns, move with most of the Browns roster to Baltimore, and return to the Browns after the team was revived in 1999; the other player is Antonio Langham.
Split into simpler sentences: Brown was one of only two players to have played for the original Cleveland Browns, as most of the Browns roster was moved to Baltimore. He returned to the Browns after the team was revived in 1999; the other player is Antonio Langham.