Manchester United manager Michael Carrick has come to Diogo Dalot's defence after the Portuguese was booed by the club's fans during a dramatic 4-4 draw with Aston Villa. Dalot had a difficult day, making a mistake in Villa's first goal and then breaking free inside the penalty area with the score at 2-2. When he was substituted in the 66th minute, United fans cheered and booed the defender as he left the pitch. Carrick was not happy with the re…