By Joseph Salvador The 77-year-old team president had some fun with the media when the topic of retirement came up. View the original article to see embedded media. Heat president Pat Riley has been involved with the NBA for over 50 years, and when the topic of retirement was raised Monday, he made it clear he’s not going anywhere anytime soon. “I’m 77 years old and right now I can do more push-ups than you can right now,” Riley said, according to the Associated Press’s Tim Reynolds. Miami’s season just ended in heartbreak after losing Game 7 to the Celtics at home with a chance at an NBA Fina…