Allen has bolstered the Eagles' defensive backfield this season with 34 tackles, three interceptions and one sack.
"We'll see how it goes on game day," Reid told the team's website. "We feel comfortable with both of them."
Jean-Gilles said that he started feeling "normal" earlier in the week. "I feel pretty confident," Jean-Gilles said. "If I feel pretty good, then I'm going to play."
The veteran guard made it clear he didn't want to sit out a critical division game.
"It's the NFC East, baby," Jean-Gilles said. "It's going to be a three-round, slug it out, run the ball, stop the run, defend the pass, throw the ball game."