Joe Schilling quit his mixed martial arts comeback fight against Donegi Abena on May 23, 2026 [2], after being head-butted during the opening round [1].

The abrupt end to the bout represents a significant setback for Schilling, who attempted to return to professional competition at age 42 [3]. The incident raises questions about fighter safety and the officiating of illegal strikes during high-profile events.

The fight took place at the ING Arena in Brussels, Belgium [4], as part of a Professional Fighters League event. According to reports, the incident occurred during a clinch when Abena delivered an illegal head-butt to Schilling [1].

Schilling stopped the contest only 37 seconds into the bout [1]. The decision to quit followed the illegal strike, which effectively ended the fight before it could develop into a full exchange of strikes, or grappling maneuvers [1].

Abena's action during the clinch led to the immediate cessation of the match. The event was intended to mark a return to the cage for the veteran fighter, but the encounter ended almost immediately after the opening bell [2].

Officials at the ING Arena oversaw the proceedings as the crowd witnessed the short-lived encounter [4]. The PFL has not yet released a formal statement regarding the specific disciplinary actions, or the potential for a rematch following the illegal blow [1].

“Schilling quit the fight after being head-butted by Abena, 37 seconds into the bout”

This incident highlights the volatility of combat sports returns for veteran athletes. Because Schilling is 42, a sudden stoppage due to an illegal strike may complicate his future comeback efforts and increase scrutiny regarding the health risks associated with returning to the PFL at an advanced age.