OLYMPIC PLUNGE
The home of the Indianapolis Colts has transformed into a massive swimming facility ahead of next week's Olympic team trials ... but Caeleb Dressel or Katie Ledecky weren't the first to break in the new tank -- it was none other than the NFL team's mascot, Blue!!
The beloved horse documented the christening on social media ... showing him prancing around with enthusiasm before jumping right into the newly built pool on Wednesday.
It's an exciting time in Indy -- the place that usually hosts Anthony Richardson and Co.