Brett Oberholtzer

I met him at Bright House Field, the Philadelphia Phillies spring training home in Clearwater, Florida in 2016.

Brett signed a 2014 Topps Heritage card #80.

http://www.baseball-reference.com/players/o/oberhbr01.shtml

Cody Asche

I met him at Paul Owens Training Facility at Carpenter Complex, the Philadelphia Phillies spring training facility in Clearwater, Florida in 2016.

Cody signed a 2014 Topps Heritage card #75.

http://www.baseball-reference.com/players/a/ascheco01.shtml

Jake Odorizzi

I met him at Tropicana Field in St. Petersburg, Florida in 2015.
He was working out there a week before pitchers and catchers were set to report for spring training.

Jake signed a 2014 Topps Heritage card #68.

http://www.baseball-reference.com/players/o/odorija01.shtml