By Tzvi Machlin Olympic swimming legend Michael Phelps suffered a personal tragedy today, revealing that his father has passed away. Phelps took to Instagram earlier this week to announce that his father Michael Fred Phelps had passed away. Fred Phelps was a retired Maryland State Trooper who played football in high school and college, and even tried out for the NFL at one point. “You’ll always be my dad… And I’ll always be your son… Love you dad and I will miss you❤️❤️ rip dad,” Phelps wrote on his Instagram page. The sports world has come out in support of the 23-time Olympic gold medalist. …