- Spaniard leads by four shots going into final round in Ohio
- Will replace Roy McIlroy as new world No 1 if he wins
Jon Rahm will take a four-stroke lead into the final round of the Memorial Tournament as he attempts to replace Rory McIlroy as the world No 1.
The Spaniard will top the Official World Golf Ranking for the first time if he wins and McIlroy, who finished the day 10 shots back in a share of 12th, finishes worse than a two-way tie for second.
Related: ‘Ageing is not fun’: Tiger Woods reveals injury problems amid Memorial struggle
