Quentin, who has been hit by three Greinke pitches in his career, was ejected from the game after charging the mound.
Jedd Gyorko and Alexi Amarista each scored a run in the Padres' loss.
Padres reliever Luke Gregerson gave up his first run of the season and the Dodgers (6-3) won two of three games against San Diego (2-7).
Taiwanese tourist walks off pier in Australia while checking Facebook
Salvation Army bell ringer assaulted for saying 'Happy Holidays'