It’s that time of year again.

It's the hottest round of foreplay in golf, and the one Grand Slam event that’s open to anyone with a handicap of 1.4—and the balls to take on all comers in local and sectional qualifying tournaments. Last year’s purse was $10 million, and winner Dustin Johnson drove away with $1.8 million in his pocket. Not a bad haul for playing a few solid rounds of golf.

Here are five things you need to know for the 2017 U.S. Open.