 Despite the loss to the Cardinals, the Seahawks could still clinch the NFC West at home in a Thursday night game against the San Francisco 49ers with the Seahawks hoping to avenge the earlier loss to the 49ers.On a rainy, windy night, Seattle started off strong with RB Shaun Alexander getting a three-yard TD run for the only score of the first quarter.The 49ers offense was almost nonexistent in the first half, as seven of San Francisco's first eight drives ended in three-and-outs.