Career
N ottinghamshire County
Emmett began his career as a trainee with N ottinghamshire County, but failed to establish himself in the first team He made 14 appearances and scored one goal whilst at the club, but was released at the end of the 2005/06 season. He spent the start of the 2005/06 season playing on loan for non-league team AFC Telford United in the Northern Premier League Premier Division.
On 23 December 2006, Friars was sent out on loan to Hinckley United for the remainder of the 2006/07 season.
In May 2007, Tamworth general manager Russell Moore confirmed that Friars would not be with the club for the 2007/08 season, and that the former N ottinghamshire County defender had returned to Northern Ireland. Newry City
He then joined Newry City. who Sean was signed for at the time.
Friars became a vital part of the Newry team and quickly established himself in team as starting Left-Back. Foreign the 2008/09 season, Friars switched to the Centre-Back role, becoming a defensive rock.
He also became club captain for a short while following the departure of Richard Clarke.
While at Newry City, Emmett was a firm favourite with the fans. Derry City
Dungannon Swifts
Portadown
On 1 May 2013, Portadown announced they had signed Friars. His contract was terminated by mutual consent on 2 September 2014.
Crusaders
Just hours after his release from Portadown, he signed for Crusaders and made his debut on 13 September against old club Dungannon Swifts.
Ballinamallard
On 29 July 2015 it was announced that Friars would join Ballinamallard United on loan until the end of the season.