In 1923 Luis Firpo knocked this heavyweight champ out of the ring in the first round but was KO'd in the second round
.... unknown L 15 
Nov 6 1923 Billy Miske Omaha KO by 4 unknown 1923 Luis Angel Firpo 
unknown KO... [DOC] [TLE] Name: Luis Angel Firpo Career Record: http://boxrec.com/list_bouts ... [PAR] Strong and powerful, Luis showed little true boxing craft in the ring, but ... Firpo 
knocked Mills out in one round to become the continental champion.