Give me a bulleted list of the last ten U.S. Open Golf Champions
Here is a bulleted list of the past ten U.S. Open Golf Champions
 
 Winners:
 - Matt Fitzpatrick
 - Jon Rahm 
 - Bryson DeChambeau
 - Gary Woodland 
 - Brooks Koepka 
 - Brooks Koepka 
 - Dustin Johnson 
 - Jordan Spieth 
 - Martin Kaymer
 - Justin Rose
 - Webb Simpson
 - Rory McIlroy