U.S. Open may be Mickelson's last Slam chance

Phil Mickelson knows this US Open could be his last Grand Slam chance

Phil Mickelson will attempt to become the seventh golfer to complete the career Grand Slam with a win at this year's U.S. Open, which could be his last.

U.S. Open may be Mickelson's last Slam chance

Phil Mickelson, who turns 55 on June 16, may get his last chance at a career Grand Slam at the U.S. Open next week in Pittsburgh. He's a six-time runner-up.

'High likelihood' next U.S. Open will be Phil Mickelson's last

Phil Mickelson hasn't guaranteed it yet, but admitted that the chances are very good that the upcoming U.S. Open will be his last.