Aaron Wise escapes serious injury after ball strikes him on head

World No 91 hit by Cameron Smith tee shot during second roundWise did not hear warning shout on 7th hole at Southern HillsThe world No 91 Aaron Wise enjoyed a lucky escape from serious injury after being struck on the head by a wayward tee shot during the second round of the US PGA Championship.Wise was bending down to assess the lie of his ball in rough at the 7th hole at Southern Hills as Cameron Smith, playing the adjacent 2nd, cracked a drive in his direction. Wind strength back towards Smit