Troy Montgomery

I met him at Tigertown, the Detroit Tigers spring training facility in Lakeland, Florida in 2018.

Troy signed a 2017 Inland Empire 66ers Team Set card.

https://www.baseball-reference.com/register/player.fcgi?id=montgo000tro

R.J. Alvarez

I met him at the SLAMDiabetes 3rd Annual Sam Fuld Tampa Classic on December 10, 2016, at the University of South Florida in Tampa, Florida.

R.J. signed a 2014 Topps Pro Debut card #106.

http://www.baseball-reference.com/players/a/alvarrj01.shtml