Conor McGregor beat Donald Cerrone so bad that the Cowboy has been told he cannot fight again for six months, according to MMA Fighting.

Cerrone suffered a broken nose and a mildly fractured orbital bone during his 40-second loss to McGregor at the UFC 246 event in Las Vegas on Saturday night.

Cerrone will be permitted to return to fighting sooner should he be given the all clear by a surgeon.

Medical suspensions are common in professional fighting, and Cerrone was one of 14 athletes at Saturday night's event told not to return to fighting for a certain time.

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Conor McGregor messed up Donald Cerrone's face so bad that the Cowboy has been slapped with a six-month medical suspension from fighting.

McGregor was so fast, so powerful, and so dominant, he limited Cerrone to throwing just one strike, which did not land, during UFC 246's main-event bout at the T-Mobile Arena in Las Vegas on Saturday night.

During the Irish striker's victory, he hit Cerrone with shoulder strikes that busted Cerrone's nose and a high kick that landed on his face, and he then beat the American to the floor with a flurry of punches.

While McGregor slugged Proper No. Twelve whiskey at the post-fight press conference and went to his after-party at the Encore Beach Club at the Wynn casino, Cerrone was sent to a hospital and had his injuries assessed.

Cerrone's nose was broken and he suffered a "mild" orbital bone fracture, as reported by MMA Fighting.

The SB Nation-owned sports website added that Cerrone's manager, Josh Jones, said "a CT scan of his brain came back negative for serious damage."

MMA Fighting says Cerrone faces six months on the sidelines because of the devastating nature of the defeat but could return to professional fighting sooner should he be given the all clear by a maxillofacial surgeon.

Medical suspensions are common in professional fighting, and Cerrone was one of 14 athletes at the UFC 246 event told not to return to fighting for a given time.

One of those athletes was the 21-year-old American fighter Maycee Barber, who had been tipped as being capable of breaking the record of youngest UFC champion.

Barber, who was undefeated before her flyweight bout with the classy veteran Roxanne Modafferi, was beaten with relative ease by the Happy Warrior.

Barber suffered a "complete" tear of her ACL during the resounding defeat to Modafferi, according to ESPN.

MMA Fighting says she needs an MRI exam of her left knee and will be given a medical suspension until July 17 if the examination comes back positive. Barber, like Cerrone, could return to professional fighting sooner — all she has to do is gain clearance from an orthopedic doctor.