Both Gert Bo Jacobsen and Greg Haugen were professionals at what sport?
Gert Bo Jacobsen Gert Bo Jacobsen (born 1961-12-28) is a former WBO welterweight title holder. He is from Oestrup, Denmark. His first 26 fights he was undefeated from 1983 to 1988. His first lost came in October 1988 to Greg Haugen.
Loet Geutjes Louis ("Loet") Geutjes (born August 12, 1943 in Amersfoort, Utrecht) is a former water polo player from The Netherlands, who finished in seventh position with the Dutch Men's Team at the 1968 Summer Olympics in Mexico City. After an active career as water polo player, Geutjes became a successful swimming coach, first with AZ&PC Amersfoort, and currently with De Otters Het Gooi Bussum. He has trained and coached several athletes that went on to perform at international level, such as the twins Mildred and Marianne Muis, and Chantal Groot.