Complex sentence: The American League of Major League Baseball, the Pacific League in Japan, and various other leagues use the designated hitter rule; thus pitchers seldom bat, removing one possible situation where a pinch hitter may be desired.
Split into simpler sentences: The American League of Major League Baseball, the Pacific League in Japan, and various other leagues use the designated hitter rule, thus pitchers seldom bat. This removes one possible situation where a pinch hitter may be desired.