UFC Fight Night 193 pre-event facts: Thiago Santos on cusp of UFC knockout record

The UFC kicks off its busy October schedule on Saturday with UFC Fight Night 193., which takes place at the UFC Apex in Las Vegas with a card that streams on ESPN+.

Two important figures in the light heavyweight division will clash in the main event. Former title challenger Thiago Santos (21-9 MMA, 13-8 UFC) attempts to snap his three-fight losing skid against Johnny Walker (18-5 MMA, 4-2 UFC), who seeks a signature win inside the octagon.

For more on the main event and numbers behind the card, check below for 40 pre-event facts going into UFC Fight Night 193.