US Senior Open 36-hole co-leader Padraig Harrington was not happy with one of NBC's course reporters for breaching what he called "golf etiquette."

Padraig Harrington's 18th-hole chip-in on Saturday at the U.S. Senior Open resulted in a rare first for the three-time major winner.

The wisp drifted in from the same spot it has all week, a hint of grey poking its head over the ridges of The Horns before hovering angry over the back greens of The Broadmoor.