Pederson homers twice as Cubs edge Pirates Joc Pederson hit two home runs, Jake Arrieta beat Pittsburgh for the third time this season and the Chicago Cubs defeated the Pirates 4-3 Tuesday night. The Canadian Press Joc Pederson , The Canadian Press PITTSBURGH (AP) — Joc Pederson hit two home runs, Jake Arrieta beat Pittsburgh for the third time this season and the Chicago Cubs defeated the Pirates 4-3 Tuesday night. Pederson hit a solo shot in the third inning, and his two-run blast in the fifth tied it at 3. It was the 16th multihomer game of Pederson’s career, and he doubled his season homer total to four.