He’s 38 and hasn’t played in the NFL in three years, but former Vikings receiver Randy Moss hasn’t ruled out a return.

Moss, who works for Fox, appeared on the network’s pregame show with host Curt Menefee on Sunday night and didn’t douse cold water on speculation he could play again, according to profootballtalk.com

“I actually have not lost the itch,” Moss said. “I’ve been working out with a few guys over the offseason. I have been retired for the last two years, but you never know.”

Menefee replied, “That’s not a commitment that you’re gonna be here beside us the rest of the year. It doesn’t sound like it. Are you thinking [about a return to football]?”

Said Moss: “Hey, I don’t know. The sky’s the limit for me, Curt. So we’ll just have to wait and see.”

The timing was interesting, given the fact that Green Bay Packers receiver Jordy Nelson suffered a knee injury Sunday that reportedly will sideline him for the season.

Moss also was mentioned last week as a possible replacement in Carolina for injured receiver Kelvin Benjamin.

Key injuries

• Steelers Pro Bowl center Maurkice Pouncey left the preseason game vs. the Packers in the first quarter because of a left ankle injury that coach Mike Tomlin said likely will require surgery. Pouncey is expected to miss an extended period and could be lost for the season.

• Giants starting safety Bennett Jackson tore an anterior cruciate knee ligament on Saturday against the Jaguars and will be lost for the season. Giants free-agent safety Justin Currie broke his right ankle and fibula earlier in the game.

Sunday’s exhibitions

San Francisco 23, Dallas 6: The host 49ers didn’t score an offensive touchdown, but won with an interception return and blocked punt for TDs. Cowboys QB Tony Romo completed his only pass — for minus-1 yard.

Tennessee 27, St. Louis 14: Tight end Chase Coffman caught two passes, both for TDs, for the host Titans.