Phil Mickelson has until the ‘last minute’ to notify the USGA of a withdrawal from the US Open.

The 46-year-old is set to miss the year’s second major as he attends his daughter’s high-school graduation but does stand a slight chance of making it to Erin Hills in time if for a delay.

Due to tee off at 2:20pm Central, Mickelson would require roughly a four-hour delay in order to make it on time; however, the forecast does not look promising for the six-time US Open runner-up.

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The US Open is the only major eluding itself from Mickelson’s career-grand-slam and the USGA are to give him the best chance of making it, as first alternate Roberto Diaz has to wait on stand-by.

Mike Davis, USGA Executive Director, said: “On behalf of the USGA, we applaud that decision. Families should always come first. But the way it would work, is he really doesn’t have to notify us until the last minute.

“I’m sure if he plans on not coming he will give us plenty of notice and we already have a first alternate basically designated. Now, that may not be the first alternate that would get in for Phil because there could be another fully exempt player that withdraws,” David added.

“Players have been alerted that they need to be on standby, but not just standby late in the afternoon. We may have a withdrawal in the morning. So the alternates would be here, and if we get that word ahead of time, that person is already going to know he’s going to be taking Phil’s spot.”

If mother nature is kind to Mickelson and he makes it, he will tee off with Steve Stricker and Stewart Cink and begin an attempt to finally lay his US Open demons to rest.

Take an in-depth look at our preview and Mickelson’s chances here.