Complex sentence: He also improved his true shooting percentage (TS%) significantly, increasing his field goal percentage to 46.9%, his free throw percentage to 87.3%, and he shot 37.3% from the three-point line.
Split into simpler sentences: He also improved his true shooting percentage (TS%) significantly, increasing his field goal percentage to 46.9% and his free throw percentage to 87.3%. He shot 37.3% from the three-point line.