Complex sentence: He was selected to the National League squad at the 2014 Major League Baseball All-Star Game and finished the season with a 17--8 record and a 2.71 ERA in 32 starts, the highest win total in his career.
Split into simpler sentences: He was selected to the National League squad at the 2014 Major League Baseball All-Star Game. He finished the season with a 17--8 record and a 2.71 ERA in 32 starts, the highest win total in his career.