Coming off their win over the Chargers the Raiders crossed the San Francisco-Oakland Bay Bridge to Candlestick Park where they played their San Francisco Bay rival, the 49ers. In the first quarter, the Raiders took the lead as kicker Sebastian Janikowski got a 27-yard field goal. Then he made a 24-yard field goal in the 2nd quarter. The 49ers replied with kicker Joe Nedney making a 25-yard field goal. The Raiders fell behind in the third quarter with QB Alex Smith making a 32-yard TD pass to WR Michael Crabtree. The Raiders cut the lead with Janikowski making a 40-yard field goal. The 49ers pulled away after Smith found TE Vernon Davis on a 17-yard TD pass.. How many more yards did Sebastian Janikowski earn in the first half than he did in the second?