By Joshua Lees Dustin Johnson’s £3.2 million ($4m) in Las Vegas this month was almost 11 times bigger than the cash prize handed to fellow LIV Golf star Carlos Ortiz following his victory on the Asian Tour on Sunday. Ortiz claimed his first main Tour victory since the Houston Open in November 2020, after the 32-year-old saw off two other LIV members in Louis Oosthuizen and his Torque GC captain, Joaquin Niemann, at the International Series event in Oman. The Mexican star carded four rounds in the 60’s, topped off with a superb seven-under-par 65 in Sunday’s final round. The victory was an impo…