If Mertzs PCR test comes back positive, hell have to self-isolate for 10 days, and sit out of practices and games for 21 days. In that time, he would undergo close cardiac monitoring and would have to be cleared by a cardiologist before returning to action. He would miss games against Nebraska, Purdue and Michigan.
Mertzs first career start Friday against Illinois, a 45-7 rout, was nearly perfect. He tied school records with five touchdown passes and 17 consecutive completions his first 17…