Michael Phelps put on one memorable show at the Rio Olympics and is now safely back in Arizona.
Phelps posted a precious photo to Instagram with fiancÃ©eÂ Nicole Johnson and 3-month-old baby boy Boomer in the pool as he kicked off his retirement.
â€œThereâ€™s nothing like being back home!! Great way to spend my first day in retirement!!â€ Phelps wrote on Instagram.
How cute is Boomer?!