Everything was falling perfectly in place for Glenn Dorsey.After five disappointing seasons in Kansas City, where much was expected of the former LSU All-American, Dorsey was thriving with the San Francisco 49ers.In training camp, Dorsey was unable to beat out Ian Williams for the starting nose tackle job, but when Williams was lost early to a broken ankle, Dorsey stepped into the job and thrived.In recent games Dorsey had become an anchor in the middle of the 49ers defense, getting great push up the middle and playing very well against both the run and the pass.In the Niners' victory over the Rams on Sept. 26, Dorsey had four tackles and a sack. And against the Rams and Houston Texans, Dorsey was credited with being a key component in San Francisco's ability to contain the run.Last week, Dorsey told Bill Williamson of ESPN.com that he was having the time of his career as the nose tackle in the 49ers defene."I like the 3-4," he told Williamson. "I enjoyed what I was doing in Kansas City, but I really like this. … I am having a lot of fun."Inside linebacker Patrick Willis told Williamson that Dorsey's quickness as a nose tackle was especially disruptive to opponents. And...