Gallery: All of Bradford City's recent scalps after Sunderland win including Arsenal and Chelsea

The League One side downed Premier League Sunderland 2-0

Jon Stead scores Bradford's second (GETTY IMAGES)

League One Bradford City produced another giant-killing to reach the quarter-finals of the FA Cup with a 2-0 win against Premier League side Sunderland at Valley Parade on Sunday.

Roared on by a fervent home crowd, third tier Bradford, who stunned Premier League leaders Chelsea 4-2 in the previous round, opened the scoring in the third minute through a John O'Shea own goal.

Click through the gallery below for Bradford's recent scalps

Tenacious and relentless throughout, the second goal came just past the hour mark when their harrying forced England international Adam Johnson into a mistake and Jon Stead was on hand to slide home a composed finish.