Michael Phelps prepares for post-retirement debut

Michael Phelps’ retirement only lasted a couple of years before the swimming stud had to get back into the pool. The 22-time Olympic medalist is in Arizona practicing for his first post-retirement competition. Phelps will be competing in three events at the Arena Grand Prix starting Thursday.

Michael Phelps talks with a fellow swimmer after practice, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa, as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Arena Grand Prix at Mesa - Practice Day

MESA, AZ - APRIL 23: Michael Phelps gets a massage druing a break from practice for the Arena Grand Prix at the Skyline Aquatic Center on April 23, 2014 in Mesa, Arizona. (Photo by Christian Petersen/Getty Images)

Michael Phelps prepares to practice, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Michael Phelps speaks to the media after practice, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Arena Grand Prix at Mesa - Practice Day

MESA, AZ - APRIL 23: Michael Phelps dives into the pool as he practices for the Arena Grand Prix at the Skyline Aquatic Center on April 23, 2014 in Mesa, Arizona. (Photo by Christian Petersen/Getty Images)

Michael Phelps practices, Wednesday, April 23, 2014, in Mesa, Ariz. The 22-time Olympic medalist is entered in three events at the Arena Grand Prix starting Thursday. (AP Photo/Matt York)

Michael Phelps dives during practice, Wednesday, April 23, 2014, in Mesa, Ariz., as he prepares to compete for the first time since retiring after the 2012 London Games. The 22-time Olympic medalist is entered in three events at the Arena Grand Prix starting Thursday. (AP Photo/Matt York)

Arena Grand Prix at Mesa - Practice Day

MESA, AZ - APRIL 23: Michael Phelps practices for the Arena Grand Prix at the Skyline Aquatic Center on April 23, 2014 in Mesa, Arizona. (Photo by Christian Petersen/Getty Images)

Michael Phelps, right, speaks to the media after practice as coach Bob Bowman listens Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday as he returns to competitive swimming after a nearly two-year retirement

Michael Phelps, right, speaks to the media after practice as coach Bob Bowman listens Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Michael Phelps speaks to the media after practice, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Michael Phelps prepares to practice, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Michael Phelps practices, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Michael Phelps gets a massage after practice, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa as he returns to competitive swimming after a nearly two-year retirement. (AP Photo/Matt York)

Arena Grand Prix at Mesa - Practice Day

MESA, AZ - APRIL 23: Michael Phelps gets a massage druing a break from practice for the Arena Grand Prix at the Skyline Aquatic Center on April 23, 2014 in Mesa, Arizona. (Photo by Christian Petersen/Getty Images)

Michael Phelps talks with his coaches during practice, Wednesday, April 23, 2014, in Mesa, Ariz. The 22-time Olympic medalist is entered in three events at the Arena Grand Prix starting Thursday. (AP Photo/Matt York)

Michael Phelps practices, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday in an attempt to return to swimming professionally

Michael Phelps practices, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday in an attempt to return to swimming professionally. (AP Photo/Matt York)

Michael Phelps swims during a training session Wednesday, April 23, 2014, in Mesa, Ariz., as he prepares to compete for the first time since retiring after the 2012 London Games. The 22-time Olympic medalist is entered in three events at the Arena Grand Prix starting Thursday. (AP Photo/Matt York)

Michael Phelps practices on Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday after a nearly two-year retirement. (AP Photo/Matt York)

Michael Phelps stops for a drink during training Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix in Mesa on Thursday in an attempt to return to swimming. (AP Photo/Matt York)

Michael Phelps laughs while talking with coaches during a training session Wednesday, April 23, 2014, in Mesa, Ariz., as he prepares to compete for the first time since retiring after the 2012 London Games. The 22-time Olympic medalist is entered in three events at the Arena Grand Prix starting Thursday. (AP Photo/Matt York)

Michael Phelps practices, Wednesday, April 23, 2014, in Mesa, Ariz. Phelps is competing in the Arena Grand Prix at Mesa on Thursday in an attempt to return to swimming professionally. (AP Photo/Matt York)