Coming off their road win over the Dolphins, the Ravens went home for a Week 8 duel with the Oakland Raiders.  In the first quarter, Baltimore rookie LB Jameel McClain sacked Raiders quarterback JaMarcus Russell in his own endzone for a safety.  In the second quarter, the Ravens increased their lead with a 1-yard TD run by RB Willis McGahee, a 70-yard TD pass to WR Demetrius Williams by rookie quarterback Joe Flacco, and a 38-yard field goal by kicker Matt Stover. In the third quarter, Oakland responded with a 22-yard field goal by kicker Sebastian Janikowski, yet Baltimore answered with Stover 30-yard field goal.  The Raiders tried to rally as Russell completed a 2-yard TD pass to RB Justin Griffith.  In the fourth quarter, the Ravens extended their lead on a Flacco 12-yard TD run.

Based on the above article, answer a question. Which player had the longest scoring play of the game?
Demetrius Williams