Siemering had another winning record in 1948 and went 7–3–1. However, he is best known for his 1949 Pacific team who went an undefeated 11–0. The team came close to losing only once in 1949, when it defeated the San Francisco in the first game of the season, 7–6. The Tigers outscored their opponents 575–66, led the nation in offense, and were ranked as high as tenth in the Associated Press poll. During the season, the Tigers scored 75 points or more three times; 75–20 over Portland, 88–0 over Cal Poly, and 75–0 over the Hawaii. The team was the 15th college team in history to score 500 or more points in a single season.