Write a question about the following article: Coming off their bye week, the Rams flew to Fedex Field for a Week 6 duel with the Washington Redskins. In the first quarter, St. Louis trailed early as Redskins RB Clinton Portis got a 3-yard TD run. The Rams would respond with kicker Josh Brown getting a 51-yard field goal. In the second quarter, St. Louis took the lead as free safety Oshiomogho Atogwe returned a fumble 75 yards for a touchdown. In the third quarter, the Rams increased their lead as Brown kicked a 25-yard and a 44-yard field goal. In the fourth quarter, Washington rallied as kicker Shaun Suisham got a 38-yard field goal and Portis got a 2-yard TD run. Fortunately, St. Louis was able to prevail as Brown nailed the game-winning 49-yard field goal as time expired.

Question about the article:
How many yards longer was Clinton Portis's first touchdown run over his second?