The Giants start a four-game series at Citizens Bank Park on Monday, when righty Jeff Samardzija (1-1, 5.27 ERA) will try to overcome his past struggles against the Phillies. He has an 8.18 career ERA against Philadelphia and a 15.43 ERA at Citizens Bank Park. The Phillies will send righty Zach Eflin (0-0, 1.50 ERA) to the mound. First pitch is set for 4:05 p.m. PT.