Though Chase Kalisz is nine years younger than Michael Phelps, they have a relationship like brothers.
That’s why the most decorated Olympian of all-time was in the NBC booth at the Tokyo Aquatics Centre on Sunday wearing a headset to provide color commentary for the broadcast and arms raised in triumph.
His protégé finally had a gold medal.
Kalisz separated himself from the pack midway through the 400-meter individual medley on the way to capturing first U.S. gold in any sport at these Summer Games.