MacIntyre shot a five-under par 66 in the first round of the RBC Heritage on his return to PGA Tour action
Scotland's Robert MacIntyre insists he is not fazed by criticism of his behaviour at the Masters, but says he is working to keep his emotions in check.
MacIntyre, 29, missed the cut at the first major of the year after shooting rounds of 80 and 71.
The Oban native directed a middle-finger gesture towards the 15th green after making a quadruple bogey in his opening round and subsequently slammed his club into the ground after a poor shot on 17.
He was also repeatedly heard swearing by on-course microphones, and posted a mocked-up picture on Instagram of a gnome resembling himself with an extended middle finger.
