sentences:  Callahan fought Hudkins to a draw in their first meeting on September 16, 1925, in Olympic Stadium in Los Angeles.Two months before winning the Light Welterweight Championship, Callahan was defeated in an upset by Pacific Coast Lightweight Champion Jack Silver at Ewing Field in San Francisco on July 25, 1926.On September 21, 1926, Callahan fought Pinky Mitchell for Mitchell's World Light Welterweight crown.