Dennis Ceylan (19-2-2, 8 KOs) says he will retire if he loses his rematch with Jesus Sanchez (9-1, 2 KOs) on Saturday, January 19 at the Struer Energi Park. Ceylan will be looking to avenge his shock knockout loss to Sanchez at the same arena on March 10 as they contest the EU Featherweight crown …