I’ll be spending the weekend in Cortland, New York, covering Jets training camp. The big story there, of course, will be how the Mark Sanchez/Tim Tebow drama unfolds. The party line among media members is that the duo is doomed to fail, because a team with two quarterbacks doesn’t have one.

Last year, Mark Sanchez ranked 27th in Net Yards per Attempt, so the Jets were behind the 8-ball at the quarterback position well before the Tebow trade. Not that he’ll necessarily help things: Tebow averaged even fewer net yards per attempt than Sanchez in 2011, although arguably his numbers should be viewed in a more positive light.

In my view, the Tebow trade simply gives the Jets more chances to succeed, not unlike when a team throws multiple late round picks at the same position. The most tired complaint regarding the situation is that if Sanchez has a bad drive, quarter or game, fans will call for Sanchez’ head and the Jets will bring in Tebow. But such analysis never goes beyond that. If the Jets do make Tebow the starting quarterback, and he does well, that’s a good thing. If the Jets bring in Tebow, and he fails, New York can go back to Sanchez. At that point, even if Sanchez has some struggles, the calls for Tebow will be muted. However, some will argue that if Sanchez is benched even once his confidence will be shot.

You may find it absurd to suggest that benching a professional athlete may be enough to derail a great career; in fact, that’s what I originally thought. But after combing through the annals of NFL history, I’m unable to find any proof in the other direction. Truth be told, I do think having two quarterbacks is essentially the football kiss of death. Don’t believe me? Let’s take a stroll down memory lane.

In the early ’50s, the Los Angeles Rams alternated Norm Van Brocklin and Bob Waterfield as their quarterbacks. In 1950, the team averaged 38.8 points per game while each quarterback started six games, and Los Angeles won the championship the next season. But while both Van Brocklin and Waterfield would end up in the Hall of Fame, neither player is well known today by most fans.

A few years later, the Giants would have Don Heinrich as the nominal starter for the first series or two before having Charlie Conerly come in and replace him one the coaching staff had a better read on the opposing defense. Sure the team won the NFL championship in 1956 using this method, but New York ultimately lost the championship to Baltimore in both ’58 and ’59, and neither Heinrich nor Conerly were able to slow down Johnny Unitas in either gmae. In John Eisenberg’s great book on the late ’50s Green Bay Packers, he explained how Vince Lombardi treated Bart Starr like a yo-yo, inserting him and out of the lineup. And while Starr would achieve some success in the ’60s, he ultimately failed as head coach of the Packers in the ’70s and ’80s, going 52-76-3 in 9 uneventful seasons.
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