Complex sentence: Contrasting the fielding of the Dodgers and the Pirates, he once said that a pitcher should pay to pitch for the Dodgers, whereas the Pirate's second baseman and shortstop were like goalposts with the ball bouncing between them.
Split into simpler sentences: Contrasting the fielding of the Dodgers and the Pirates, he once said that a pitcher should pay to pitch for the Dodgers. The Pirate second baseman and shortstop were like goalposts with the ball bouncing between them.