Torrey Smith complains about Heinz Field grass

In Pittsburgh, the yellow towels aren’t the only thing that’s terrible.  Ravens receiver Torrey Smith uses the same adjective to describe the supposed-to-be-green grass at Heinz Field. “It’s terrible,” Smith said, via Jamison Hensley of ESPN.com.  “They need to go ahead and put some turf up there or something.  Apparently the field gets a lot of…