David Peterson strong again in Cubs' 5-2 win over Yankees

When pitcher David Peterson joined the Cubs after a June 25 trade with the Mets, the move wasn’t expected to change the path of the pennant race or give his new team an ace. Edward Cabrera and Ben Brown had just landed on the injured list, joining Justin Steele, Cade Horton and Jameson Taillon, meaning the Cubs just wanted somebody who was healthy. Peterson, who had a 6.09 ERA in 68 innings with the Mets, qualified. He was available, not terribly expensive to get and experienced. “We were…