Goals from Anthony Martial and Paul Pogba secured three points for the Red Devils, who moved to within a point of fourth place in the Premier League.
PA
United struggled to break down Boro for much of the game
REUTERS
United have won just one trophy since Sir Alex Ferguson retired in 2013
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And the late revival had former Southampton striker Le Tissier harking back to Fergie’s era.
"It was a little bit like going back 15 or 20 years at Old Trafford, when they used to be 1-0 down with five minutes to go and they’d just throw the kitchen sink at the opposition, pouring forward in numbers," Le Tissier told Sky Sports.
"Once the first one went in, you had an inkling the second was probably going to come pretty soon.
"For a while at Old Trafford you never saw the cavalry charge if they were losing or even drawing games but that was like watching the Manchester United of old."