PHILADELPHIA — Wins always lighten the mood in the clubhouse. Chicago Cubs manager David Ross joked catcher Yan Gomes will get all the day-game starts going forward after he hit two home runs in a 4-3 win Sunday afternoon against the Philadelphia Phillies. The homers were Gomes’ first since June 13. “If the performances keep up like that I’ll take them all day,” a smiling Gomes said of Ross’ declaration. The Cubs (38-57) secured their first series sweep of the season. It also represented their first three-game sweep of the Phillies in Philadelphia since July 25-27, 2000, at Veterans Stadium. A…