Nikishin (concussion) wore a regular jersey during Friday's practice session, Ryan Henkel of The Hockey News reports.
Nikishin also skated on the second power-play unit and could be on track to play in Game 1 against the Flyers on Saturday. If he does play, the blueliner figures to link up with Shayne Gostisbehere on the third pairing, while Mike Reilly will remain in the press box as a healthy scratch.