[['place', 'player', 'country', 'score', 'to par', 'money'], ['1', 'hale irwin', 'united states', '74 + 68 + 67 + 75 = 284', 'e', '50000'], ['t2', 'jerry pate', 'united states', '71 + 74 + 69 + 72 = 286', '+ 2', '22250'], ['t2', 'gary player', 'south africa', '73 + 73 + 72 + 68 = 286', '+ 2', '22250'], ['t4', 'larry nelson', 'united states', '71 + 68 + 76 + 73 = 288', '+ 4', '13733'], ['t4', 'bill rogers', 'united states', '71 + 72 + 73 + 72 = 288', '+ 4', '13733'], ['t4', 'tom weiskopf', 'united states', '71 + 74 + 67 + 76 = 288', '+ 4', '13733'], ['7', 'david graham', 'australia', '73 + 73 + 70 + 73 = 289', '+ 5', '10000'], ['8', 'tom purtzer', 'united states', '70 + 69 + 75 + 76 = 290', '+ 6', '9000'], ['t9', 'keith fergus', 'united states', '70 + 77 + 72 + 72 = 291', '+ 7', '7500'], ['t9', 'jack nicklaus', 'united states', '74 + 77 + 72 + 68 = 291', '+ 7', '7500']]
the only top 10 Player not from the us were Gary Player (from South africa) and David Graham (from australia)
the only top 10 [ENT] not from the us were [ENT] (from [ENT] africa) and [ENT] (from australia)