Ravens’ ground game gives Baltimore 7-3 lead

After going three-and-out to begin Saturday’s wild-card game at Pittsburgh, the Ravens’ offense hit its stride. As a result, the Ravens have the lead. Bernard Pierce’s five-yard TD run gave Baltimore a 7-3 edge with 12:28 left in the first half at Heinz Field. Tailback Justin Forsett had rushes of nine, 14 and seven yards…