Prescott started playing for Glasgow Warriors in the
2001–02 season under
Richie Dixon. His first match was the pre-season friendly against
Northampton Saints where he came on as a substitute on 14 August 2001. He also played in competitive matches. His first competitive appearance was against
Cardiff RFC in the
Heineken Cup replacing
Dave Hilton on 4 November 2001 at
Hughenden Stadium. He played in the
Welsh-Scottish League against
Edinburgh Rugby, coming on as a temporary replacement for
Steve Griffiths on 22 February 2002 He did not play for the Warriors again until season
2004–05. He signed full-time for the Warriors in
2005. In the following season,
2006–07, a calf injury restricted his Warriors appearances. He then moved on to
Leinster in September 2010. He rejoined the Titans on loan in early December 2010 when their prop Anton O'Donnell broke his ankle. He rejoined
Nottingham for season 2011–12. He rejected a new contract in the summer of 2014 and was released. Instead, Prescott signed for
London Scottish for the 2014–15 season. ==International career==