It's time for the big boys.

PFL will debut its 2019 heavyweights and light heavyweights Thursday night in Uniondale, New York, (ESPN2, 7 p.m. ET) which probably means a heaping helping of knockouts and quick finishes. The first two PFL events of this season have provided some serious action and PFL 3 probably will be no different.

Here's a look at the five things to watch going into Thursday's card:

Is 2018 finalist Vinny Magalhaes the favorite at light heavyweight?