Former New York Yankees pitcher Mariano Rivera
Golfer Natalie Gulbis
Gulbis spoke at the 2016 Republican National Convention and told the audience that she believed Trump was the person we "desperately need" to clean up the mess. Gulbis has played golf with Trump and has credited him with helping career. Trump also has strong ties to the LPGA Tour through his golf courses.
Former NFL running back Herschel Walker
Walker began his professional career in the now-defunct USFL as a member of the New Jersey Generals. Trump owned the Generals for Walker's final two years in the league and Walker was arguably the league's biggest star.
Lou Ferrigno
Ferrigno, who is best known for playing The Incredible Hulk on television, appeared on "Celebrity Apprentice" in 2012. He also told TMZ, "I love Donald Trump!"
Former MLB player Johnny Damon
Like Ferrigno, Damon was also "fired" by Trump on "Celebrity Apprentice," with his appearance coming in the show's final season, 2015. Damon also sat behind Trump at a rally on the eve of the 2016 election.