Career
He is not a full-time professional and makes his living as a greenkeeper. Mann made a good showing in the 2005 United Kingdom Open Regionals, reaching the semi-finals of the North West Regional and winning the Midlands Regional. However, he lost his first match to Mark Landers.
He qualified for the 2006 Personal Digital Cellular World Darts Championship but lost in the first round to Terry Jenkins.
lieutenant remains his only appearance in the televised stages of the competition having missed out in the qualifying rounds in 2007 and 2008. His world ranking is still outside the top 64 in the Personal Digital Cellular making it difficult for him to qualify for the other prestigious tournaments - he"s yet to appear on screen at the other Personal Digital Cellular majors - the World Matchplay, World Grand Prix or Las Vegas Desert Classic.
Personal Digital Cellular
2006: 1st Round (lost to Terry Jenkins 2–3).