Cotto vs Canelo: How to watch the fight live online

Tonight on HBO pay-per-view and various other outlets around the world, Miguel Cotto (40-4, 33 KO) defends the lineal middleweight world championship against Canelo Alvarez (45-1-1, 32 KO) in a highly-anticipated clash from the Mandalay Bay in Las Vegas.

The pay-per-view broadcast will start at 9:00 pm EST, with four fights set for the main card, including another world title bout between WBC super featherweight champ Takashi Miura and challenger Francisco Vargas. Also on the show will be recognized lineal super bantamweight champion Guillermo Rigondeaux against Drian Francisco in a 10-round fight, and Ronny Rios facing Jayson Velez in a pivotal featherweight showdown that could determine a WBC title challenger for 2016.

Here's how you can watch the fights tonight:

Time: 9:00 pm EST

Channels: HBO PPV (US), BoxNation (UK), Main Event PPV (AUS), RPC 4 (Panama), Canal Space (Latin America)

If you're in the States, the fight is also available in select movie theaters. Go here to find out if there's one near you.