The UFC kicks off its final stretch of 2021 events Saturday with UFC on ESPN 31, which takes place at the UFC Apex in Las Vegas and airs on ESPN.
A very important fight in the bantamweight division serves as the main event of the card. [autotag]Rob Font[/autotag] (19-4 MMA, 9-3 UFC) will attempt to keep his winning streak alive in pursuit of a title shot when he takes on former longtime featherweight king [autotag]Jose Aldo[/autotag] (30-7 MMA, 12-6 UFC), who continues chase a second belt at 135 pounds.
For more on the numbers behind the headliner, as well as the rest of the card, check below for 45 pre-event facts about UFC on ESPN 31.