Alfonso Soriano set a career RBI milestone, but the Cincinnati Reds out-slugged the Chicago Cubs to win the opening game of Saturday's doubleheader 5-3 at Great American Ball Park.

Starter Johnny Cueto (16-6) went eight innings, allowing two runs on three hits and striking out eight in front of 28,754 fans.

Aroldis Chapman finished off the Cubs in the ninth despite allowing a run on two hits. He struck out pinch-hitter Joe Mather with two men on base to end the game.