This has got to hurt:

Golfer Jon Rahm out at Memorial with six-shot lead after positive COVID-19 test

Basically, what happened was this. Contact tracing early this week showed that Rahm had been in contact with a person who has COVID. He had two choices—either withdraw from the tournament, or stay in the tournament and undergo daily testing. He stayed in and his tests for Tuesday, Wednesday, Thursday and Friday were clear. His test for today was not. He was tested a second time and it confirmed the earlier result. My brother and I were watching it on TV as tournament people walked out in masks on the 18th to tell him the news. At that point, he was six under par for the day. He walked off the course and signed his card. A few minutes later, the leaderboards were updated to show Morikawa and Cantley in the lead.

news.yahoo.com

The US Open starts on June 17 and Rahm has to stay in isolation until the 15th.