Complex sentence: In the 2015 season Cannon appeared in the fewest number of regular season games, twelve, since his rookie season due to a toe injury but also started the most games of his career at eight.
Split into simpler sentences: In the 2015 season, Cannon appeared in the fewest number of regular: season games--12--since his rookie season because of a toe injury. Nonetheless, he also started the most games of his career at eight.