It was a long and winding road for Sarah Kaufman , with many stops along the way, but she’s finally reached the end of her journey. Kaufman, a pioneer of Canadian women’s mixed martial arts, called it a career Thursday when she officially announced her retirement on social media. She was the inaugural Strikeforce women’s bantamweight champion, a former UFC fighter, a PFL playoff qualifier, and an Invicta FC champ. At 36, Kaufman (22-5) walks away from the sport having won five of her most recent six fights. Her resume includes wins over Alexis Davis, Miesha Tate, Roxanne Modafferi, Liz Carmouche, Leslie Smith, Jessica-Rose Clark, and Pannie Kianzad, among others. In 27 professional fights, she only lost to Ronda Rousey, Valentina Shevchenko, Davis, Larissa Pacheco, and Marloes Coenen