Complex sentence: He began the 2015 season with a 8--6 win-loss record and a 2.30 ERA through the end of June, and was named to the NL roster in the 2015 MLB All-Star Game.
Split into simpler sentences: He began the 2015 season with a 8--6 win-loss record and a 2.30 ERA through June. He was named to the NL roster in the 2015 MLB All-Star Game.