The Jamaican praised the Brazilian crowd but called on organisers to increase the amount of time between rounds .
The Jamaican beat the American Justin Gatlin into silver just as he did 12 months ago at the world championships in Beijing .
The Jamaican , who beat the American Justin Gatlin into silver just as he did 12 months ago at the world championships in Beijing , praised the Brazilian crowd but called on organisers to increase the amount of time between rounds .