Round 4 of the 111th U.S. Open is underway at Congressional Country Club in Bethesda, Md. GolfChannel.com offers complete coverage of the season's second major championship with full-field scores and news, opinion and analysis in GolfTalkCentral.
GolfChannel.com Sunday line-up:
Live chat: Steve Sands | 1-2PM ET
Live chat: Jason Sobel | 3-8PM ET
Live stream: Cameras on holes 10 and 18 | 2-8PM ET
Lexus Wrap-up Show: Live immediately following NBC coverage (Todd Lewis host, Jay Coffin and Jason Sobel analysts)