Two World champions are seeking first-time sprint doubles in Daegu. Only one will have the possibility of success, as they meet in the middle over 200m.
Veronica Campbell-Brown already has a 100m World title to her credit from Osaka in 2007, but although she has won two Olympic titles at 200m, she has had to satisfy herself with silver medals at that distance in the last two World Championships as Allyson Felix defended her title not once, but twice.
And Felix, once again, is a major threat to the Jamaican’s ambitions in what she hopes will be the second leg of a 200/400m double in Daegu……..READ FULL PREVIEW