In an Insider piece, NFL Insider Mike Sando polled 26 executives and coaches to figure out the top NFL quarterbacks.Sando asked the NFL insiders to evaluate the quarterbacks in tiers. They voted the 32 starting quarterbacks in five tiers, although none fell into the fifth tier. San Francisco 49ers quarterback Colin Kaepernick received a grade in the second tier. He ranked as the 14th best quarterback according to the insiders.Here is what Sando wrote about Kaepernick: Evaluators want to see more from Kaepernick as a reader of defenses, playing within the pocket.