Chien-Ming Wang
On June 26, 2015, Chen became the second Taiwanese-born player to have 100 career starts in the major leagues (after Chien-Ming Wang), allowing two runs and striking out five over six innings in a no decision against the Cleveland Indians. Despite only recording a 4–5 record at the break, Chen pitched to a 2.78 ERA and a 1.09 WHIP, along with 90 strikeouts in 110 innings over the first half of the season. Chen finished the season with an 11–8 record and a career-best 3.34 ERA over innings pitched.