Rookie Jameson sharp as D-backs split twinbill with Dodgers

Drey Jameson pitched six strong innings in his second big league game and Ketel Marte homered as the Arizona Diamondbacks beat the Los Angeles Dodgers 5-2 Tuesday to split a doubleheader. The Dodgers won the opener 6-5 as rookie Miguel Vargas drove in the go-ahead run with an infield single in a five-run eighth. Jameson (2-0) and the Diamondbacks ended the Dodgers' five-game winning streak.