Jimmy Nielsen

I met him at Al Lang Stadium in St. Petersburg, Florida in 2019, when Hartford Athletic, whom he was the head coach for, came to play the Tampa Bay Rowdies.

Jimmy signed a 2011 Upper Deck Major League Soccer card #73.

https://en.wikipedia.org/wiki/Jimmy_Nielsen

Aurélien Collin

I met him at the Joe DiMaggio Sports Complex, the Philadelphia Union's spring training home in Clearwater, Florida in 2019.

Aurélien signed a 2012 Upper Deck Major League Soccer card #129.

https://en.wikipedia.org/wiki/Aurelien_Collin

Michael Harrington

I met him at the second annual Rowdies Suncoast Invitational at Al Lang Stadium in St. Petersburg, Florida in 2017, when the Chicago Fire played Toronto FC in a pre-season game.

Michael signed a 2011 Upper Deck Major League Soccer card #78.

https://en.wikipedia.org/wiki/Michael_Harrington_(soccer)