Five starts in, he has a 3.16 ERA and a 1.36 WHIP. His outing Sunday in the Mets’ 7-4 win over the Cardinals was his best yet: six innings, one run. He allowed four hits, walked two and struck out six.

NEW YORK — If there was a series meant to showcase the trials and tribulations of a development-focused season, the St. Louis Cardinals’ four-game set against the New York Mets at Citi Field certainly did the trick.

Brandon Nimmo robbed Jordan Walker of a home run in the sixth inning and singled home the tiebreaking run in the seventh as the New York Mets beat St.