Jordan Spieth may be flying under the radar ahead of this week's PGA Championship given his recent form but he cannot escape talk about his latest chance at claiming the one trophy standing between him and the coveted career Grand Slam.

Here's a list of the five players who won the career Grand Slam and when they won each leg. The list also includes the three active players missing the final leg.

Jordan Spieth could change his historical standing with one great week at Valhalla Golf Club as he aims to complete the career grand slam at this year's PGA Championship.