TORONTO — American country music star Riley Green is set to perform at the halftime show of this year’s Grey Cup, while Canadian icon Sarah McLachlan will sing the national anthem. The Canadian Football League says McLachlan will perform while Canadian Forces Snowbirds return for their last official flypast before the fleet retires. Meanwhile, Green The post Country music star Riley Green, Sarah McLachlan to perform at Grey Cup appeared first on The Lethbridge Herald - News and Sports from aroun