CHICAGO -AP- Kris Bryant hit two homers and drove in four runs, Anthony Rizzo went deep and the Chicago Cubs beat the Pittsburgh Pirates 6-1 on Friday.Rizzo chased Trevor Williams with a two-run drive in the fourth that made it 3-0.Bryant hit a solo shot against Jhan Marinez in the sixth that cleared the left-field bleachers and added a two-run drive in the eighth off Antonio Bastardo. He also had an RBI triple and finished with four hits, helping Chicago start the weekend series on a winning note after dropping six of nine. Both teams committed three errors and wasted some big scoring opportunities in the early going. Chicago was 2 of 13 with runners in scoring position, while Pirates were 1 for 11.The Cubs stranded seven through the first three innings before grabbing a 3-0 lead in the fourth.Ben Zobrist singled with two outs and Bryant ripped a triple past third baseman Josh Harrison. Rizzo then drove a 2-2 pitch to a party deck in right, giving him 20 homers before the All-Star break for the third time in his career.That was it for Williams (3-4), who threw 98 pitches and gave up six hits.Bryant made it 4-0 in the sixth with a drive that sailed just past the lower corner of the video board and the outstretched arm of a fan in the back row of the left-field bleachers. His shot in the eighth gave him three multi-homer games this season and 10 in his career.Chicago's Eddie Butler left after hitting Harrison with a pitch leading off the fifth. He allowed four hits and walked three.Carl Edwards Jr. (3-1) threw 1 2/3 innings. Pedro Strop gave up an RBI single to Josh Bell in the seventh. But Koji Uehara retired the side in the eighth, and Wade Davis worked the ninth.