Golf: Jon Rahm wins PGA Memorial to become Spain's first world No. 1 since Seve Ballesteros

July 20, 2020 8:33 AMLOS ANGELES (AFP) - Jon Rahm became the first Spaniard since Seve Ballesteros in 1989 to hold golf's world No. 1 ranking, fending off a late challenge Sunday to win the US PGA Memorial tournament.