<p>Jon Rahm became the first Spaniard since Seve Ballestors in 1989 to hold golf's world number one ranking, fending off a late challenge Sunday to win the US PGA Memorial tournament.</p>.<p>Rahm holed a chip from 31 feet at the par-3 16th to thwart American rival Ryan Palmer's fightback and overtake Northern Ireland star Rory McIlroy for the top spot in the rankings</p>
<p>Jon Rahm became the first Spaniard since Seve Ballestors in 1989 to hold golf's world number one ranking, fending off a late challenge Sunday to win the US PGA Memorial tournament.</p>.<p>Rahm holed a chip from 31 feet at the par-3 16th to thwart American rival Ryan Palmer's fightback and overtake Northern Ireland star Rory McIlroy for the top spot in the rankings</p>