The son of former Bradford Park Avenue manager John, Deacey junior (pictured) excelled for Avenue during his time at the Horsfall Stadium which enabled him to test himself at a higher level with AFC Telford United in 2014/15.
He moved on and signed an initial one-year deal with Boston United in August 2015 but moved to Farsley Celtic midway through the 2015/16 season and made forty starts for the club that season, weighing in with 7 goals, and played a pivotal part in the club`s league and cup success.
Defender Piercy joins from Toolstation Northern Counties East League Premier Division neighbours Hall Road Rangers.
Voted as last season`s young player of the year during Hall Road`s First Division title winning side, 21-year-old Piercy was named as vice-captain in pre-season.