Fitzpatrick carded a closing three-over-par 73 to miss out on the play-off between eventual winner Justin Thomas and Will Zalatoris by tw...
Phil Mickelson’s former bagman gave Thomas a crucial pep talk after he shot 74 on Saturday.
Fleetwood finished in a tie for fifth at the US PGA Championship.
McIlroy’s closing 68 in Tulsa was followed by him declining to speak to waiting reporters.
The 46-year-old withdrew from a major championship for the first time in his professional career at Southern Hills.
After a run of five straight pars McIlroy pulled his tee shot to the par-three sixth into the water and ran up a double-bogey five.
He went on to post a third round of 75 to lie seven over par at the US PGA Championship.
McIlroy could only add a second round of 71 to his opening 65 at Southern Hills.
Fitzpatrick added a second-round 69 to his opening 68.
With the weather due to improve as the day wore on, McIlroy’s tee time had the potential to prove significantly advantageous.