Photos: USC falls to Boston College, 37-31

USC guard Aundrey Walker leaves the field while Boston College fans celebrate their team’s 37-31 victory over the Trojans on Saturday night.  (Winslow Townson / Getty Images)

Trojans quarterback Cody Kessler was sacked five times Saturday. Above, Kessler is taken down by Boston College’s Seyi Adebayo.  (Winslow Townson / Getty Images)

Boston College’s Seyi Adebayo takes down USC quarterback Cody Kessler during the Eagles’ 37-31 win over the Trojans on Saturday night.  (Winslow Townson / Getty Images)

Boston College linebacker Matt Milano is surrounded by teammates Dominique Williams, left, Harold Landry and Brian Mihalik after sacking USC quarterback Cody Kessler (bottom) on Saturday night.  (Stephan Savoia / Associated Press)

USC running back Javorius Allen is tackled by Boston College linebacker Steven Daniels, left, and defensive tackle Truman Gutapfel on Saturday night in Boston.  (Stephan Savoia / Associated Press)

USC quarterback Cody Kessler sits on the turf after being sacked in the first half Saturday against Boston College.  (Winslow Townson / Getty Images)

Boston College running back Tyler Rouse looks to break free from USC linebacker Michael Hutchings on Saturday night.  (Winslow Townson / Getty Images)

USC quarterback Cody Kessler completed 11 of 17 passes for 136 yards and two touchdowns in the first half Saturday against Boston College.  (Winslow Townson / Getty Images)

Boston College quarterback Tyler Murphy scrambles away from USC linebacker Michael Hutchings during the first half Saturday in Boston.  (Winslow Townson / Getty Images)

USC wide receiver George Farmer picks up yardage as he straight-arms Boston College defensive end Kevin Kavalec during Saturday’s game in Boston.  (Stephan Savoia / Associated Press)

Boston College running back Tyler Rouse tries to keep away from USC defensive end Leonard Williams during Saturday’s game in Boston.  (Winslow Townson / Getty Images)

Actor Will Ferrell enjoys his view from the USC sideline Saturday at Boston College.  (Winslow Townson / Getty Images)

USC linebacker Michael Hutchings trips up Boston College running back Myles Willis during the first quarter on Saturday.  (Stephan Savoia / Associated Press)

USC Coach Steve Sarkisian watches his offense take an early lead Saturday against Boston College. Things went downhill from there in a 37-31 loss.  (Stephan Savoia / Associated Press)

Boston College quarterback Tyler Murphy is sacked by USC linebacker J.R. Tavai.  (Stephan Savoia / Associated Press)

USC wide receiver George Farmer is congratulated by offensive tackle Zach Banner after Farmer catching a touchdown pass during the first quarterSaturday against Boston College.  (Stephan Savoia / Associated Press)

USC quarterback Cody Kessler scrambles in the pocket Saturday against Boston College.  (Winslow Townson / Getty Images)

USC quarterback Cody Kessler drops back Saturday against Boston College.  (Winslow Townson / Getty Images)

Boston College quarterback Tyler Murphy looks for an open man Saturday against USC.  (Winslow Townson / Getty Images)