Lock completed 17 of 23 passes for 309 yards and four touchdowns in Sunday's 45-33 win over the Colts. He also rushed five times for no gain and scored a rushing touchdown.

Lock (shoulder) doesn't have an injury designation for Sunday's game against the Colts, Art Stapleton of The Bergen Record reports.

Lock (shoulder) was a limited participant in Thursday's practice, Dan Salomone of the Giants' official site reports.

Lock (right shoulder) is listed as limited on Wednesday's estimated injury report, Dan Salomone of the Giants' official site reports.

Giants head coach Brian Daboll said Lock (shoulder) is on track to start Sunday's game against the Colts, Jordan Raanan of ESPN.com reports.

Lock is undergoing an MRI on Monday to determine the severity of a shoulder injury sustained during Sunday's 34-7 loss to the Falcons, Jordan Raanan of ESPN.com reports.

Lock completed 22 of 39 passes for 210 yards and a touchdown with two interceptions in Sunday's 34-7 loss to the Falcons. He also gained one yard on his only carry and lost a fumble.

Lock (heel/left elbow) doesn't have a designation for Sunday's game in Atlanta.

Lock (heel/elbow) was a full participant in Thursday's practice, Dan Salomone of the Giants' official site reports.

Lock (heel/left elbow) officially was a limited practice participant Wednesday, Patricia Traina of SI.com reports.