Complex sentence: Leonhard was the only undrafted rookie on the 53-man opening day roster for the 2005 Bills, playing in 10 games with 1 kick return for 36 yards.
Split into simpler sentences: Leonhard was the only undrafted rookie on the 53-man opening day roster for the 2005 Bills. He played in 10 games, finishing with 1 kick return for 36 yards.