Rory McIlroy trolled on Twitter for his negative opinion on Man United boss Louis van Gaal
Rory McIlroy has questioned whether Louis van Gaal is the right manager to lead Manchester United.
The world number one golfer is an avid United fan and even posed with his Claret Jug at Old Trafford after winning The Open in 2014.
Speaking to Sky Sports at the Deutsche Bank Championship, he said: "I think the new signings will be good in time, but I'm not convinced LVG is the right man to lead us.
"I don't know, it's a hard one. Everyone is dropping points, and it looks like City might run away with the league.
"At least we're back in Europe, so that's a good thing."
Manchester United have collected seven points from their first four games of the season and have qualified for the group stage of the Champions League following a years absence from Europe's elite competition after demolishing Club Brugge 7-1 on aggregate in their play-off.
Van Gaal has spent heavily this summer with the arrivals of Morgan Schneiderlin, Memphis Depay, Bastian Schweinsteiger and Anthony Martial among the most high profile. Understandably, expectations among fans have risen in line with spending.
McIlroy's comments sparked fury among some United fans.
@ManUtdMEN Him being a Football Expert that is!Garbage as usual from MEN!!— Myself (@cbrader912) September 8, 2015
Plastic fan. Why would you come out and publicly say something like that about the team you supposedly support? @SkyFootball— Just Me (@SuperDuperSense) September 8, 2015
@SkyFootball I agree with Rory McIlroy 100% he is not the right man to manage Manchester United more like destroying the team & has to go ok— Michael Gomes (@magomes466727) September 8, 2015