Shawn Porter got in a sparring session at Gleason's Gym on Thursday in preparation for his fight with Keith Thurman on June 25 at Barclays Center.

Shawn Porter got in a sparring session at Gleason's Gym on Thursday in preparation for his fight with Keith Thurman on June 25 at Barclays Center.

Porter sparred with Chordale Booker (2-0) who sparred with Floyd Mayweather  before his first fight with Carlos Maidana.

"Things got pretty heated in here. In here, the fighter in you takes over and it's hard to ease up," Porter said of the sparring session.

— Sergio Ramirez/For Columbia-Greene Media