Michael Rio is hoping to compete a the 2016 Olympics in Phelps . Rio will has served a six-month suspension by USA Swimming after a second drunken driving arrest last year . 29-year-old will be competing in Mesa for the first time since the Pan Pacific Championships last August .
Michael Phelps is hoping to compete a the 2016 Olympics in Rio . Phelps will has served a six-month suspension by USA Swimming after a second drunken driving arrest last year . 29-year-old will be competing in Mesa for the first time since the Pan Pacific Championships last August .