The game turned rougher moments later when New York forward Chris Kreider was struck under his visor by the stick of Boston's Tyler Seguin, who was following through on a shot just inside the blue line.
Sam Rocket, 22, who had close links with the UVF, was shot dead at his girlfriend's house onthefollowing Wednesday night in reprisal for their double murder.
Four people were dead including the gunman following a hostage-taking incident on Saturday in Aurora, Colorado, the same town where a man shot dead 12 people and wounded 58 more at a movie theater last July.
For more than two years federal prosecutors have tried to bring high level prosecutions against big shot money men to satisfy the public thirst for criminal accountability on Wall Street followingthe financial crisis.
The world No. 2 had a mixed opening few holes, and he dropped his second shot of Friday's second round following a close encounter with a flower of the desert onthe ninth fairway.