The French striker has moved to Goodison Park for an undisclosed fee after the two clubs agreed terms last week.
Saha showed flashes of brilliance during his loan spell at St Jame´ Park back in the days of Ruud Gullit, but the board refused the Dutchman the money to sign him on a permanent deal.
No-one can doubt his ability, but the Toffees are taking a chance on him, as is time at Old Trafford was ruined by injuries.
The former Toon man has signed a two-year contract with Everton, with the option for a third.