During his career with Rovers he played over 300 games.
He turned professional with Rovers in 1959, but failed to break into the club's first team.
He signed a professional contract with Rovers for the 2005-06 season, but failed to break into the first team.
He spent 2 years with Rovers before being released in May 2003.
Mildenhall had spent time on loan with Rovers during the previous season.
He spent three seasons with Rovers, scoring five times in 1897-98 and two more in 1898-99.
In his last season with Rovers in 1974/75 he scored 6 league goals.
The trial was cut short after a few days, and he began training with Doncaster Rovers.
Hamilton also groundshared with Rovers for a brief period while they were homeless from 1994 to 2001.
He asked to be released from his contract with Rovers in January 2013, after falling to third choice at the club.