Rory McIlroy has been slammed by some viewers for his antics at the Arnold Palmer Invitational after he took his anger out at a tee box marker. The Northern Irishman was bidding to become just the seventh golfer to win multiple Bay Hill titles last week. He left himself with plenty of work to do after a disappointing opening round one-over par. McIlroy did enough to make it through to the weekend in the signature PGA Tour event, but he struggled to get going at the start of his third round on Saturday. He had just just bogeyed the seventh hole before stepping up to the tee on the par-four eigh…