A reach into the NFC West mailbag on this Memorial Day weekend brings us back to the No. 1 topic around here for the past week: receiver Michael Crabtree's recently torn Achilles' tendon and its impact on the San Francisco 49ers' offense."One thing I noticed when watching Colin Kaepernick last year was that he seemed to either throw to Crabtree, throw to Vernon Davis or run," Jakob from San Francisco writes. "Could you expand your analysis to see if I'm right?