Coming off their bye week, the Broncos flew to M&T Bank Stadium for a Week 8 duel with the Baltimore Ravens.  Denver would trail in the first quarter as Ravens kicker Steven Hauschka nailed a 43-yard field goal in the first quarter, followed by a 35-yard field goal in the second quarter.  In the third quarter, the Broncos' deficit immediately climbed as cornerback Lardarius Webb returned the second half's opening kickoff 95 yards for a touchdown.  Denver would answer with a 1-yard touchdown run from rookie running back Knowshon Moreno, Baltimore came right back with Haushchka booting a 31-yard field goal.  Afterwards, the Ravens would pull away in the fourth quarter with quarterback Joe Flacco's 20-yard touchdown pass to wide receiver Derrick Mason and running back Ray Rice getting a 7-yard touchdown run.. How many touchdowns were scored in the second half?