Insight from BJ Hathaway on Backswing.com:
Yes
Posted on: 31 Jul 2022
Yes, the Tour average is 3 to 5 degrees down with irons which means the club is traveling down and takes a divot. There have been a few great players that sweep it more, so much depends on the individual skill level.
If they play and practice regularly, probably every 12-16 months.
Posted on: 14 Aug 2019
If they play and practice regularly, probably every 12-16 months.