I understand what you are saying, but, at the same time, other safeties in the NFL also played against rookies, first-time starters, and teams coming from behind during the regular season, and they didn't intercept 9 balls and scored 3 TDs.

As for Sharper's playoff performance, first, the playoff teams made it to the playoffs because they don't make many mistakes to begin with. And, a lot of times you really can't argue just numbers when talking defense. For example, Tracy Porter made 2 crucial interceptions and scored a TD in the playoffs and SB, and Greer made none. So who had the better run? Sure Tracy made 2 heady plays in reading the QBs and routes and his highlights were all over ESPN and the NFL Network, but the opposing QB's reluctance to throwing the ball to Greer's side gave Tracy the opportunity to make those plays. So just like shying away from Greer, Warner, Farve, Manning, they probably also shied away from Sharper because they knew of his skills, and thus giving Tracy the chance to become the Legend Slayer ..