Andre De Grasse finishes second in 100m and 200m at Diamond League final

De Grasse equals his 100m personal best of 9.89 seconds

The Diamond League final to hit the streets of Zurich

Canadians Arop, Brown and De Grasse will compete in the Diamond League final, which starts Wednesday

Sifan Hassan narrowly misses her mile world record in Brussels

Hassan came up just short, crossing the line in 4:14.75, the fourth-fastest time in history