Goals from Billy McKay and Michael Jacobs took the tie to a penalty shoot-out where Abdul Osman's decisive kick secured a famous victory - but what happened to those 11 starters, and manager Ian Sampson, in the years since their Anfield success? Let's take a look...
1. Chris Dunn
The goalkeeper left Northampton at the end of the season after five years. Has since played for Coventry, Yeovil, Cambridge, Wrexham and Walsall, but is now without a club after recently leaving Maidenhead. Photo: Pete Norton
2. Paul Rodgers
Also left Cobblers at the end of the 2010/11 season and moved to Newport before two seasons at Bromley. Now 30, he has spent the last three years at Chelmsford City in the National League South. Photo: Pete Norton
3. Andy Holt
The defender was into his fourth of six seasons at the Cobblers when he captained Cobblers to victory at Anfield. Retired in 2013 after a year at Corby Town and moved back to Manchester where he's done some coaching.
4. John Johnson
After leaving the Cobblers in 2013, Johnson has been plying his trade in India. He had five years at Bengaluru and is currently on the books of ATK in the Indian Super League. Photo: Pete Norton