Complex sentence: His 31-game hitting streak that year, from August 1 to September 3, was the longest one in the major leagues since Dom DiMaggio hit in 34 straight games in, and it broke Zack Wheat's franchise record of 29, set in.
Split into simpler sentences: His 31-game hitting streak that year, from August 1 to September 3, was the longest one in the major leagues since Dom DiMaggio hit in 34 straight games in. It broke Zack Wheat's franchise record of 29, set in.