Quarterbacks Jameis Winston and Bryce Petty are preparing Jack Conklin Jersey for the NFL Combine with coach Jim Harbaugh at the University of Michigan.Winston, Petty, and Heisman Trophy winner Marcus Mariota have been training together in San Diego but were pictured with Harbaugh in Ann Arbor as the Combine gets set to begin in Indianapolis.MORE: Combine schedule | Top 15 all-time Combine performers | 10 players with character concernsMichigan officials were not available for comment.QBs Jameis Winston (FSU) & Bryce Petty Adoree Jackson Jersey (Baylor) are preparing for the NFL Combine at Schembechler Hall. pic.twitter.com/2ICM9XMVrc Michigan Football (@umichfootball) February 17, 2015According to NFL.com reporter Ian Rapoport, the two will throw together in an indoor facility before going Karl Klug Jersey to Lucas Oil Stadium. Mariota, who injured his shoulder, was not expected to throw at the Combine. Winston is still making that decision. (UPDATE: Mariota and Winstonare now expected to throw.)Petty is training with the pair and would likely throw in front of the scouts. Both Petty DaQuan Jones Jersey and Winston are clients of quarterbacks coach George Whitfield, a friend of Harbaugh’s.