Here is a look at the xG stats for Palace vs Man Utd on March 3, 2021. Another 0-0 draw involving United- perhaps not the most watchable of games, to put it mildly.
xG shots map Palace 0.93-0.81 Man United (Actual score CPFC 0-0 MU)
Palace shaded this in terms of xG, but neither team were able to score.
There were only three shots on target in the whole Palace v United game, as shown by these full time post match stats.