The PGA Tour has taken the unusual step of implementing lift, clean and place through the green at Colonial Country Club.
Players are allowed take their ball in hand not just in the fairway but also in the rough at the Crowne Plaza Invitational on Sunday.
Colonial has taken on more than five inches of water in the last two weeks, and the Tour is permitting preferred lies as a result.
How long play lasts on Sunday is another matter altogether. The Tour attempted to push up tee times to 7 a.