LAS VEGAS -- Floyd Mayweather Jr. was released from a Las Vegas jail early Friday after serving two months of a three-month sentence in a misdemeanor domestic battery case.

The undefeated boxer walked out of the Clark County Detention Center beneath the glow of street lamps and glare of TV cameras to resume a boxing career that his lawyers and personal physician warned in court documents might be at risk. They said jail food and water didn't meet Mayweather's dietary needs, and lack of exercise space in a cramped cell of fewer than 98 square feet threatened his health and fitness.

Mayweather looked fit as he donned a leather Miami Heat cap, pulled a gray hooded sweatshirt over his head and shared hugs with about 20 family members and friends, including his 12-year-old daughter, Iyanna Mayweather, and his manager, Leonard Ellerbe.