The American relinquishes the lead at Royal Troon as Stenson eyes maiden major title.
2013 champion leads by a single shot ahead of Henrik Stenson.
Mickelson finished 63 eight under par.
Royal Troon is set to stage one of the highlights of the British sporting summer.
Colin Montgomerie will hit the first ball at Royal Troon.
East Lothian course was barred from hosting The Open after May ballot saw continued ban on women members.
Golf lovers came from far and wide to pursue their ambition of playing at Royal Troon.
Muirfield lost the right to host The Open after members narrowly voted to continue with male-only membership.
R&A has confirmed Muirfield will not host the iconic event as long as women cannot become members.
Dustin Johnson leads after a delayed second day at St Andrews.
The 144th edition of the Open Championship begins on 16 July.
Fourteen-time major winner has no plans to give up golf despite his recent decline.
Jordan Spieth warms up for St Andrews test with victory in US competition.
BREAKING: McIlroy confirmed the news via a message to his Instagram followers.
McIlroy ruptured the ligament in his left ankle and suffered joint damage while playing football.
The coveted and prestigious end-of-year prize has being overshadowed by negative vibes over McIlroy's snub.
Northern Irishman claims award for second time in three years after double major win.
All smiles for McIlroy family after Rory lifts Claret Jug and dad Gerry wins £100,000 bet.
Rory McIlroy takes out the Open to come a step closer towards completing a Grand Slam
Royal Liverpool, or Hoylake, has been lengthened and includes more testing obstacles than in 2006
The 14-time major winner is hopeful of drawing on his experience at Royal Liverpool
The Englishman goes to world No.3 ahead of the Royal Liverpool tournament