Americans Gatlin, Felix beat Jamaicans Powell, Campbell-Brown in Doha

DOHA, Qatar (Sporting Alert) — Americans Justin Gatlin and Allyson Felix captured the 100 metres titles at the opening IAAF Diamond League in Doha on Friday. The sprinters got the better of their Jamaican rivals on their way to victories in their first big outing in preparation for this summer’s Olympic Games. Gatlin defeated former…