Michael Carrick's final game for Manchester United ended in victory as Marcus Rashford's goal earned United a 1-0 win over Watford
Carrick was instrumental in United's opener in the 34th minute, as he played the ball over the top for Juan Mata, who then laid it off for Rashford to score his seventh league goal of the season
Watford should have levelled on the stroke of half-time through Richarlison, but the Brazilian headed too close to United goalkeeper Sergio Romero from point-blank range
Both teams had very little to play for, with United having already made sure of their best Premier League finish in five years following the 0-0 draw with West Ham on Thursday, meaning the second half had a real end of season feel to it
 The defeat means Watford dropped a place and finish 14th
There was no Anthony Martial in the United squad, with the club insisting the France international picked up a late injury, and the much-changed hosts were laboured in his absence in the opening exchanges
It took until the 34th minute for the game's first meaningful chance, which was converted by Rashford, after Mata had laid the ball across
 The pass to play into Mata from Carrick gave the Old Trafford masses a reminder of what they will be missing next season
Watford remained undeterred, though, and should have levelled 10 minutes later, but Richarlison could only head Daryl Janmaat's cross too close to Romero, who flung out an arm to make a smart stop
After the break, the tempo faded, as the long season seemed to have taken its toll
 Mata did have the ball in the net again, but he was denied by the offside flag
Carrick's final farewell came late in the match, as he was substituted to rapturous applause, and will now undertake a coaching role at the club
Watford did press in the dying moments, but could not find a way past Romero as United saw out the season with another win, finishing with 81 points
He just had to be involved in the winner, spraying one of his trademark passes over the top of the defence for Mata to set up Rashford
 On an afternoon of little other quality, Carrick continually picked out his man as he rolled back the years on his Old Trafford farewell
Watford's season is done and dusted, but United have the small matter of next weekend's FA Cup final against Chelsea to come, as they look to end the season with some silverware
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