An emergency fill-in at first, Dorsey has made significant strides each week that tell him and his 49ers coaches he is becoming comfortable with the defensive scheme and his technique in San Francisco's system.
For a sixth-year veteran who arrived uncertain of landing a starting job,
Danny Ainge Jersey, Dorsey worked quietly until called upon to assume a larger role. He took over at nose tackle after Ian Williams' season ended with a broken left ankle in Week 2 at Seattle.