During that time he reinvented himself as a holding midfielder and moved to Sixfields in the summer of 2000. Since that move Hargreaves has been a regular in the Cobblers midfield.
With his team 1-0 down, to a Mikael Silvestre goal, as the second half kicked off, Hargreaves' attempt to clear a corner badly backfired as the ball stumbled into his own net.
Despite the setback the 31-year-old battled on and was arguably the 3rd Division outfit's star man with a committed performance up against England international Nicky Butt.
Diego Forlan made it 3-0 with 22 minutes to go.