**PFL 4: First Round (2025)** marked the opening stage of the **Heavyweight and Light Heavyweight** divisions in the PFL World Tournament. Held on May 1, 2025, at **Universal Studios in Orlando, Florida**, the event transitioned the league to a high-stakes **single-elimination format**. The main card was headlined by **Phil Davis**, who secured a TKO victory over Rob Wilkinson in his promotional debut. In the co-main event, **Valentin Moldavsky** defeated Sergey Bilostenniy to advance. This...