not a chance. you put any college team against the worst of the worst of the NFL and the NFL team will win. the all SEC team would still be all rookies against (mostly) proven NFL talent. Stafford would school Tebow if they squared off with the team's you suggest. Tebow will have a big learning curve when he gets to the NFL. don't get me wrong, as a UT fan it hurts me to say but I LOVE to watch TEBOW play, think he is a great player but right now his style doesn't translate great to the NFL. I do think he will play on Sundays, or at least hold a clipboard.
sorry, I disagree that the All SEC team could beat the Lions