Rory McIlroy, Shane Lowry still part of 4-way lead at Zurich

(Photo credit: Stephen Lew-USA TODAY Sports) Rory McIlroy and Shane Lowry combined to make a pair of crucial late birdies and hung onto a share of the lead after 36 holes of the Zurich Classic of New Orleans on Friday in Avondale, La. The Ulsterman and Irishman posted a 2-under 70 in foursomes (alternate shot) in the second round. That moved them to 13-under 131, where they're tied with Ryan Brehm and Mark Hubbard (70),