Matt Imhof

I met him at a Minor League Clearwater Threshers game at Bright House Field in Clearwater, Florida in 2015.

Matt signed a 2015 Topps Pro Debut card #45.

http://www.baseball-reference.com/minors/player.cgi?id=imhof-000mat

J.P. Crawford

I met him at Paul Owens Training Facility at Carpenter Complex, the Philadelphia Phillies spring training facility in Clearwater, Florida in 2015.

J.P.  signed a 2014 Topps Pro Debut card #133.

https://www.baseball-reference.com/players/c/crawfjp01.shtml