During Kyle Shanahan's tenure, the San Francisco 49ers have found out the hard way that football is a game of attrition. We've seen cornerbacks signed off the street and forced into the lineup the same week. Then, in 2020, they trotted out defensive lineman who media members that cover the team couldn't recognize.
With under 100 days to go until the regular season and just under two months until training camp, let's turn back the time machine to a 2014 article from Pat Kirwan of CBS, where he proposed 13 questions to assess roster depth.