The match ended in a 1-1 draw, despite a host of chances from United.
“We were a bit fortunate,” said Strachan on Sky Sports. “We tried our best and in the end it was too much.
“I felt we were men tonight and had incredible hearts.
“We needed something to hang on to and keep us going. We can be hard to beat and we’re not the greatest but we’re incredibly strong.
“The players showed they had pride in the club and the shirt.”