The Reds were put through their paces in a long, intense session with some quick-touch passing and an eight-a-side game.
Around 6,000 fans created a great atmosphere, cheering every time a goal was scored as club mascot Fred the Red geed up the crowd with the Barclays Premier League trophy.
Wilfried Zaha did some extra fitness work away from the main group with some of the coaches, while David Moyes, who was heavily involved throughout, ended the session with some crossing and shooting exercises.
Afterwards, the Reds boss signed autographs for adoring fans and Rafael, Danny Welbeck and Tom Cleverley kicked Chevrolet footballs into the crowd to catch.
Click the image above to see a gallery of 20 images of the players and fans at the session.