The 49ers defensive line struggles highlight underlying roster construction issue

Photo by Michael Zagaris/San Francisco 49ers/Getty ImagesThe 49ers roster construction under the John Lynch and Kyle Shanahan regime has always revolved around the defensive line being the priority for allocating resources. Both Lynch and Shanahan have made it no secret that they feel like this is the most prudent way to construct a winning football team.

“You go back to when we first built this thing, Kyle and I came together, one of the things that we really believed in is that that’s an equalizer in a football league where everything’s set up for offenses to be successful,” Lynch said. “One of the ways you can equalize the equation is to get after and knock down the passer.”

While that…