An experienced stopper, 'The Beast' joined Crawley on a one-year contract following his departure from League Two side Bury in May 2014.
Prior to spending the 2013-14 campaign at the Shakers – where he was voted Player of the Year by the local press and the Bury supporters – Brian was a loyal servant to fellow Lancashire side Burnley.
The 39-year-old spent a decade at Turf Moor and played a key role in the Clarets' rise from the Championship to the Premier League in 2010. The Copenhagen-born 'keeper made a total of 311 appearances for Burnley after joining from West Bromwich Albion in 2003.
The Dane previously spent time at AZ Alkmaar in Holland prior to moving to England and began his career at B.93 in his native Denmark.