Tiger Woods and Paul McGinley were involved in chaotic scenes in Akron on Friday at the end of their second rounds in the Bridgestone World Championship in Akron, Ohio.
With one to play the two players were separated by 20 strokes, Woods standing a brilliant seven-under-par for the day and on course for yet another victory and McGinley 73rd of the 78 players on 10-over.
But they both then caused mayhem behind the ninth green.
First Woods' second shot from the rough flew over the spectator stand, hit a cart path and amazingly bounded up and on to the three-floored clubhouse roof.
As he started to wonder what the outcome of that would be McGinley, pitching to the green for three, incredibly went over the stand as well and finished in a flower bed.
The combined might of the US Tour rules staff were quickly on hand, first to establish what exactly what happened to the balls and then to decide what to do next.
Eventually, around half an hour later, the two players were given permission to take free drops from beside the grandstand, the clubhouse at Firestone Country Club not being out of bounds.
Woods took five as well for a round of 64 and a nine-under-par total of 131 and then said: 'I've never been involved in anything like that before. I don't know how that wasn't out of bounds first of all and I also don't know how anybody found it.'
Apparently it was a cook.
He leads by one shot from Davis Love III, who hit a 65, while Adam Scott (71) and Jim Furyk (65) are a further two shots adrift.
McGinley double-bogeyed the final hole for a 75 and 12-over aggregate, while fellow Dubliner Padraig Harrington returned to the clubhouse on 71 to move to four-over.