 In February 1992, a financial crisis came to a head at Northampton, and with the club in administration, both Barnes and Adcock were sold to Peterborough United, Barnes costing only £35,000 in a joint £65,000 deal.He played 49 times in the league for Peterborough, scoring nine goals and winning promotion to the First Division beating Stockport in a Wembley play-off in 1992.He joined Partick Thistle in February 1994, making his debut in the Scottish League in a 5–1 defeat by Rangers at Ibrox, but played only 6 further league games for the Jags before leaving to play for Uhisport Rangers in Hong Kong, returning to the UK in September 1995 joining Torquay United on a free transfer.