NISSAN OPEN At RIVIERA

Glen Day had a hole in one on the 173-yard 14th hole with a five-iron. Day was playing in the third threesome that started at the No. 1 tee.

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Watching husband Randy Peterson play was Stacey Peterson, who is due to give birth next week.

“I want to get some ink too,” she joked. “ ‘Woman gives birth on golf course.’ ”

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Tournament director Tom Pulchinski estimated corporate hospitality has increased 30% this year, which he tied to the absence of an NFL team in Los Angeles.

“Corporations have to spend their dollars somewhere,” Pulchinski said.