More US Open: Leaderboard | 10 Thoughts on Round 2 | Expert Picks

CBSSports.com spent all day Friday updating you live with the latest news, notes, tweets, GIFs and other fun stuff from Round 2 of the 2015 US Open at Chambers Bay.

We hope you enjoyed. Catch up on all the action below.

Can Dustin Johnson hang on to the lead he established Thursday?
Dustin Johnson was able to hang on to the lead he established Thursday. (Getty Images)