(Miami) Reigning US Open champion Matthew Fitzpatrick of England took the lead on the RBC Heritage PGA Tour on Saturday with a career-best 63 (8 under par).
This course carried out without committing bogey allowed him to total a score of 199 (-14) on the three holes.
World No. 4 Patrick Cantlay scored 66 (-5), finishing second, one stroke ahead of fellow American Jordan Spieth.
World No. 2 Scottie Scheffler, who had been hoping to claim the top spot, fell back to fourth place, which he shares with England’s Tommy Fleetwood and fellow Americans Taylor Moore, Mark Hubbard and Jimmy Walker.
The Spaniard Rahm returned a card of 69 (-2), falling to the 21e place.