After two impressive appearances against United, it was back to the Conference for Exeter and it showed.
This full-blooded match between two of the division's top teams was always going to be settled by the odd goal. And so it proved.
While the manager of the month award tends to curse its winners, Grazioli can't get enough of the players' version.
He netted against Woking after picking up the September award and did the same against Exeter after taking December's.
After 16 minutes, Richard Graham sent a teasing ball into the Exeter danger area. Liam Hatch headed across the face of goal to Grazioli who slid in and poked home his 19th goal of the season.
He should have had a second midway through the second-half, but somehow managed to put the ball wide when it was easier to score.
Exeter battled throughout, but created little and the intensity of the previous two weeks had clearly taken its toll on their players.
As a result, Scott Tynan had a relatively quiet game in the Barnet goal, though when he was called upon he did his job in spectacular fashion.
He kept out Kezie Ibe early on and produced a wonderful point-blank save to deny Dean Moxey after 67 minutes.
Santos Gaia went close at the death with a header that flashed wide, but it was Barnet that took a step towards a return to league football.
They are now 17 points ahead and surely cannot throw this lead away.