The Welshman kept a clean sheet as the Eagles pulled off an impressive 0-0 draw with the Red Devils, furthering his already solid defensive record; the second-best in the Premier League's lower half.
Hennessey beat Max Meyer and Mamadou Sakho to the award and made several strong saves in the game, having performed well all season. In October, he became the most capped international player whilst representing Crystal Palace.
For all the post-match reaction from the United game including an interview with the Palace 'keeper himself, head over to Palace TV now. Or, if you're reading in the app, just click 'Palace TV'.