Complex sentence: He fouled four pitches in a row into the same spot of the Angels'dugout; by the time he fouled off his third pitch, the entire Angels' dugout had concentrated themselves away from the edge of the dugout.
Split into simpler sentences: He fouled four pitches in a row into the Angels'dugout. By the time he fouled off his third pitch, the entire Angels' dugout had concentrated themselves away from the edge of the dugout.