SYDNEY—Bob Fulton, one of the most celebrated players in Australian rugby league and a former captain, coach and selector of the Kangaroos, has died. He was 73. Fulton’s death was announced Sunday by his close friend, broadcaster Ray Hadley, on the Sydney radio station 2GB. A cause of death was not given. Fulton coached Australia to World Cup wins in 1992 and 1995 and is the only man to have won a premiership and Ashes series, against England, as player, captain and coach. Fulton was born in England but moved to Australia when he was four years old and became a towering figure in Australian rugby league. He was named as one of first four “Immortals” of the sport—along with Clive Churchill, Reg Gasnier and Johnny Raper—when the concept was launched as a sort of Hall of Fame in 1981. He played in 35 tests for Australia—seven as captain—and 16 …