Three-time Olympic gold medalist Rowdy Gaines minces few words when he broadcasts swimming for the American network NBC.

Léon Marchand has broken the world record in the 200-meter individual medley at the world championships in Singapore, clocking 1 minute, 52.69 seconds to surpass the 1:54.00 set in 2011 by American Ryan Lochte.

Michael Phelps three golds and a silver medal in the 200-meter butterfly at the last four Olympics, but the U.S. is sending fresh faces this time around.