Complex sentence: During the San Francisco 49ers 1993 season, he played defensive end when they were in a 3-4 defense, but injuries to their linebackers made him move to nose tackle in a 4-3 defense that year.
Split into simpler sentences: During the San Francisco 49ers 1993 season, he played defensive end when they were in a 3-4 defense. However, injuries to their linebackers made him move to nose tackle in a 4-3 defense that year.