After a year out of the ring, welterweight champion Terence Crawford faces off against Shawn Porter.
Porter is a two-time former champion at 147lbs and will challenge for Crawford's WBO belt in Las Vegas, Nevada tonight.
Crawford last fought against Kell Brook in November 2020 and secured the win by TKO. Porter meanwhile has not been in the squared circle since August that year, when he beat Sebastian Formella for the WBC silver championship.
Here's everything you need to know about Crawford vs. Porter.
The main card gets underway at 9 p.m. ET / 2 a.m. GMT with the main event ringwalks set to take place at 11 p.m. ET / 4 a.m. GMT. As ever with fight cards, these timings are subject to change due to the length of the undercard fights.
Viewers in the United States can watch the fight on ESPN+ PPV, while those in the UK can watch the fight on Sky Sports Main Event.
The fight will take place at the Mandalay Bay Resort and Casino in Las Vegas, Nevada.