Peterson training with Buccaneers' Winston, Evans, Jackson

Spark up the Adrian Peterson-to-Tampa Bay rumors.

Peterson showed up in a picture with Buccaneers stars Jameis Winston, Mike Evans, and new acquisition DeSean Jackson, as well as other athletes on Instagram Tuesday. They all appear to be training with noted quarterback guru George Whitfield Jr.

Houston Rockets star James Harden, teammate Lou Williams, and Washington Redskins tackle Trent Williams also appear in the photo.

Peterson and Winston were also working out with Tim Grover, former trainer of Michael Jordan and Kobe Bryant.