With Hurts still in concussion protocol and backup Kenny Pickett nursing a ribs injury, the Eagles have added another quarterback as insurance.

Philadelphia Eagles sign QB Ian Book and RB Lew Nichols to the practice squad and release DB Tariq Castro-Fields.

Three days ahead of the Eagles’ divisional matchup against the Cowboys in Philadelphia — and the final Sunday for millions of fantasy football leagues across the country — Jalen Hurts is still in concussion protocol.

Eagles quarterback Jalen Hurts sustained a concussion in the first quarter of Sunday's game against the Commanders.

Philadelphia's rematch with Dallas may not include a key player. Quarterback Jalen Hurts remains in concussion protocol, Eagles coach Nick Sirianni told reporters Thursday.

The Eagles did not practice on Wednesday, but Hurts would not have participated as he remains in the concussion protocol. Pickett (rib injury) would have been limited.

Jalen Hurts is in the NFL’s concussion protocol, limiting his ability to practice for the Philadelphia Eagles' game against the Dallas Cowboys on Sunday.

The Eagles did not practice Wednesday, but they did put out an estimated injury report ahead of Sunday's game against the Dallas Cowboys.

Philadelphia Eagles quarterback Jalen Hurts is in danger of missing Week 17 due to a concussion he suffered in Week 16.

Philadelphia Eagles quarterback Jalen Hurts is in concussion protocol and would not have practiced Wednesday, while his replacement, Kenny Pickett, would have been listed as a limited participant on the injury report because of a ribs issue.

The Eagles could use another quarterback on the practice squad, and on Christmas Day, the team hosted former backup signal-caller Ian Book. The Eagles waived Book at the 53-man roster deadline last summer, naming rookie Tanner McKee as the third quarterback.