
Griffin signed for Newcastle from Stoke City back in 1997 and spent eight years at St James' Park.
But he was hit by injury problems and only managed 90 starts, with 13 substitute appearances.
He joined Portsmouth in 2004 and, as a free agent, moved to Derby in the summer.
The Magpies were well below average at Pride Park, but the full-back still insists his former club can return to the Champions League.
Griffin: "United can get back to the Champions League, yes.