REXBURG – Welcome to the playoffs Madison Bobcats. The math to earning a postseason bid may have already been in their favor, but the Bobcats left no doubt Friday night, beating Highland 42-7 in the teams’ regular-season finale to officially clinch the second state playoff berth from 6A District 5-6. It was an impressive game from the Bobcats, who controlled the tempo on offense and were relentless on defense. The Rams had just four possessions in the first half and the results were punt, punt, punt, and a turnover on downs. By that time, the Bobcats had a 21-0 lead. “I was nervous before the …