Complex sentence: Mantle was selected as an American league All-Star in 1968 for the 16th and final season, his pinch hit at-bat on July 11 making his appearance in 16 of the 20 games he had been named to.
Split into simpler sentences: Mantle was selected as an AL All-Star in 1968 for the 16th and final season. His pinch hit at-bat on July 11 marked his appearance in 16 of the 20 games he had been named to.