2 Canadian track stars have a big Olympic tune-up on Friday

CBC Sports' daily newsletter previews the Diamond League meet in Monaco, where Canada's Marco Arop and Christopher Morales Williams are among the big names competing.

2 Canadian track stars have a big Olympic tune-up on Friday
A men's runner raises a finger in celebration.

CBC Sports' daily newsletter previews the Diamond League meet in Monaco, where Canada's Marco Arop and Christopher Morales Williams are among the big names competing.