Even if C.J. West is nothing more than a two-down nose tackle who's staunch against the run, he'll be worth the fourth-round pick the 49ers used to draft him.

By taking DE Mykel Williams No. 11 overall, DT Alfred Collins No. 43 overall and DT CJ West No. 113 overall, the 49ers gave themselves an injection of size and youth up front that signals a sizable retooling of their defensive line.

Analyzing why the San Francisco 49ers drafted defensive tackle Alfred Collins in Round 2.