SAN FRANCISCO – Observed in the locker room after the San Francisco 49ers' 32-20 win over the Arizona Cardinals:'Grinding the meat': 49ers coach Jim Harbaugh was ecstatic about the 18-play, 89-yard touchdown drive late in the fourth quarter that gave the 49ers a nine-point lead. Harbaugh called the drive "grinding the meat." Several 49ers said they've heard the coach use the expression before.McDonald OK: Defensive lineman Ray McDonald said his partially torn bicep responded fine.