It’s been over three years since UFC alumnus Kendall Grove last stepped into an MMA cage for competition, but that will soon change. Grove (24-18) will headline KSW 78 in a rematch against Michal Materla (31-9), the promotion officially announced Monday. The bout will be contested at a contracted weight of 195 pounds. The card takes place Jan. 21 at Netto Arena in Szczecin, Poland and will be available for purchase on KSW TV