Steven Matz

I met him at a Minor League game at Publix Field at Joker Marchant Stadium in Lakeland, Florida in 2017, when the St. Lucie Mets, whom he was on a rehab assignment with, came to play the Lakeland Flying Tigers.

Steven signed a 2015 Bowman Prospects card #BP124.

http://www.baseball-reference.com/players/m/matzst01.shtml