Tomlinson, Moss adjusting to new defensive scheme

Second-year defenders Dalvin Tomlinson and Avery Moss are adjusting to their new roles:

Dalvin Tomlinson logged 588 plays on defense as a rookie, but his snapometer has been reset to zero.

Last year’s second-round draft pick is learning a new playbook all over again under defensive coordinator James Bettcher, who brought his 3-4 scheme from Arizona. Tomlinson, a 6-foot-3, 317-pound defensive tackle, played in Steve Spagnuolo’s four-man front in his first NFL season.

“It’s pretty much like starting over,” Tomlinson said with the team in the middle of its offseason workout program. “But it’s been fun. I love the guys in the room. The coaches are amazing; they help out a lot. Just the people all…