Jorge Soler and Kris Bryant hit back - to - back homers .
Tempers flared for the second straight game as the Chicago Cubs beat the St. Louis Cardinals 5 - 4 on Saturday for their fifth straight win to tighten the NL Central race .
Jorge Soler and Kris Bryant hit back - to - back homers , and tempers flared for the second straight game as the Chicago Cubs beat the St. Louis Cardinals 5 - 4 on Saturday for their fifth straight win to tighten the NL Central race .