['batterName | Starlin_Castro', 'finalScore | 5-1', 'gameNumber | first', 'hasLostTeam | Philadelphia_Phillies', 'hasWonTeam | Chicago_Cubs', 'inningsPitched | eight', 'matchDate | Friday_night', 'pitchResult | homered', 'pitcherName | Arrieta', 'winLossRecord | 19th', 'winLossType | win']
Arrieta pitched eight strong innings for his major league-leading 19th win, and Starlin Castro homered to lead the Chicago Cubs past the Philadelphia Phillies 5-1 in the first game of a doubleheader Friday night.