Complex sentence: In training camp king took most of the punting snaps due to an injury Lechler had suffered earlier and impressed the coaches enough and was kept on the practice squad and saw no action in the regular season.
Split into simpler sentences: In training camp King took most of the punting snaps, due to an injury Lechler had suffered earlier. King impressed the coaches enough to be kept on the practice squad but saw no action in the regular season.