Jon Rahm will bring added motivation to the Memorial Tournament in Dublin, Ohio, this week after a positive Covid-19 test got in the way of what looked to be a sure-fire repeat victory a year ago, he said on Tuesday.

Rahm was leading by six strokes after the third round and appeared likely to join Tiger Woods as the only repeat winners of the event but was forced to withdraw after being told of his positive Covid-19 test.

“What happened last year. Is it motivation? Yes,” Spanish world No.2 Rahm told reporters at Muirfield Village...