You’ve seen the base cards and parallels. You’ve seen the unique memorabilia cards. About the only things you haven’t seen by now as it relates to Panini America’s 2017 Kickoff promotion set are the autographs. But with the promotion set to officially get underway tomorrow with the arrival of 2017 Phoenix Football, we’re about to show you those, too. Boasting signatures from current superstars, hot rookies and all-time greats, the 2017 Kickoff promotion checklist is heaping with potential stunners.