The Giants worked out Bullock (hamstring) on Monday, Mike Garafolo of NFL Network reports.
The Giants placed Bullock (hamstring) on injured reserve Thursday, Dan Salomone of the team's official site reports.
Coach Brian Daboll said Wednesday that he doesn't expect Bullock (hamstring) to play in Monday's game against the Eagles, Dan Salomone of the Giants' official site reports.
Bullock headed to the locker room during Sunday's game against the Saints after sustaining a right hamstring injury and is questionable to return, Jordan Raanan of ESPN.com reports.
Bullock went 1-for-2 on field-goal tries and made all three of his extra-point attempts in Monday's 24-22 victory versus the Packers.
The Giants signed Bullock to their active roster Friday.
Bullock made his only field-goal try and all four of his extra-point attempts in Sunday's Week 11 31-19 victory over Washington.
The Giants elevated Bullock from their practice squad Saturday, Dan Salomone of the Giants' official site reports.
Bullock made his only field-goal attempt and converted both extra-point tries in Sunday's loss to the Cowboys.
Bullock was lifted from the practice squad to the active roster by the Giants on Saturday, Field Yates of ESPN reports.