Mary Carillo

NBCUniversal

At 21, Jac Collinsworth will be one of NBC's youngest reporters ever covering the Summer Olympics. But don't expect any father-son moments with Jac and Cris Collinsworth from Rio de Janeiro on NBC's Facebook Live stream, Twitter or the NBC TV network.  

"He's done Olympics for like 97 years, and I finally get this, and he's not going to be there! I'm a little bummed," says Jac by phone from the family's Fort Thomas home.