
As for being successful, many QBs have won super bowl rings on the expense of being on a winning team. My middle school principle, by the name of Bobby E. Abrams played for the NFL years ago. You probably never heard of him. But he has a super bowl ring with the Giants from Super Bowl XXV. Two rings from the Dallas Cowboys, Super Bowl XXVII and Super Bowl XXVIII. I don't think he has ever played a down because if you will barely find stats on him, if any. If he was any good, he be do something besides teach at some ghetto middle school in Montgomery, AL. Well he doesn't teach there anymore. History also shows that he actually played for the Vikings for a season or two back in 1993 and 1994. He played linebacker I think.
So basically what I saying. Many players have super bowl rings because they were fortunate to be on a winning team. That doesn't mean that player was any good. Just very lucky. Abrams has 3 super bowl rings and he's currently struggling keep his principal job at public schools. T-Jack will be in his shoes soon.