Duncan’s goal as a child was not to become a basketball player, but to follow in his sister’s footsteps and become a swimmer. Duncan’s sister Tricia participated in the Seoul Olympics in 1988.
But hurricane Hugo destroyed the only Olympic-standard swimming pool in St. Croix, US Virgin Islands, leaving Duncan to play basketball instead.
There are many similar examples. The sport that Dirk Nowitzki has been most exposed to since childhood was tennis, but later lost a certain agility because of the height increase, and eventually gave up tennis.