CHICAGO (AP) - Jake Arrieta pitched into the seventh inning and also got a career-high two hits, Anthony Rizzo launched his 16th homer, and the Chicago Cubs beat the St. Louis Cardinals 7-4 Tuesday in the first game of a day-night doubleheader.
Rizzo's two-run drive highlighted a four-run eighth after St. Louis pulled within one.
Arrieta (9-5) came through on the mound and at the plate as the Cubs won for the sixth time in eight games. The right-hander gave up two runs and seven hits in 6 2-3 innings and improved to 3-0 in his past four starts.
Arrieta contributed a pair of singles and scored a run after starting the season 1 for 33.
Chris Denorfia had two hits and drove in three runs as Chicago beat St. Louis for the third time in 11 games. He gave the Cubs 2-0 lead with a two-run single in the third off Tyler Lyons (2-1).