It’s been more than four years since Jeremy Stephens scored a knockout, and he’s longing for one. Stephens (29-20-1) snapped his seven-fight winless streak when he edged out Myles Price in June. While getting back to the win column is great, it’s not enough for Stephens, who is known for his fight-ending power. The UFC alum will look to earn that knockout he’s yearning for when he meets Natan Schulte (22-5-1) at the 2022 PFL Championships, which take place Friday at Hulu Theater at Madison Square Garden in New York. The main card streams on ESPN+ pay-per-view (8 p.m. ET)…