Conor McGregor celebrates after knocking out Donald Cerrone in their welterweight fight during the UFC 246 event at T-Mobile Arena on Saturday in Las Vegas.
Jeff Bottari/Zuffa LLC via Getty Images

In pictures: Conor McGregor returns to the octagon

Updated 0720 GMT (1520 HKT) January 19, 2020

Conor McGregor celebrates after knocking out Donald Cerrone in their welterweight fight during the UFC 246 event at T-Mobile Arena on Saturday in Las Vegas.
Jeff Bottari/Zuffa LLC via Getty Images

After a year away from the sport, Conor McGregor returned to the UFC on Saturda