I met him at an extended spring training game at Paul Owens Training Facility at Carpenter Complex in Clearwater, Florida in 2017, when the Atlanta Braves came to play the Philadelphia Phillies.
Sanders signed a 2013 Upper Deck Football card #132.
https://www.baseball-reference.com/register/player.fcgi?id=commin001san
http://www.pro-football-reference.com/players/C/CommSa00.htm