It’s a Donovan McNabb Friday here at TSR.

ESPN’s Len Pasquarelli confirms that the Raiders would be willing to part with cornerback Nnamdi Asomugha in a trade for quarterback Donovan McNabb, although the Eagles are reluctant. This news comes via Adam Schefter’s Twitter page, so there aren’t any other details outside of that.

One would have to imagine that the reason the Eagles are reluctant is because of the video game-like contract Al Davis signed Asomugha for in February of 2009. The cornerback is due $16 million in 2010 with an option year in 2011 available for either $16.9 million or the franchise tag number for quarterbacks, whichever amount is greater. So while Philly might have dreams of Asomugha lining up across from Asante Samuel dancing in their heads, they know taking on a contract like that would bury them. Especially considering Kevin Kolb needs a new deal soon, too.

Schefter also reports that Kolb is fully expected to be the Eagles’ starting quarterback in 2010 and that McNabb will be on another team’s roster by the time his $6.2 million roster bonus is due on May 5. The Bills, Rams and Raiders are viewed as the teams most interested in McNabb, but I would have to believe that signing McNabb to a contract extension would be a major sticking point in any trade.

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In his desire to create yearly offseason headlines, Raiders’ owner Al Davis has reportedly been shopping most of his roster, including cornerback Nnamdi Asomugha. But according to ESPN’s Adam Schefter, Asomugha’s contract makes him virtually untradeable.

In February of last year, Asomugha signed a three-year, $45.3 million contract extension. The first two years of his contract, which total $28.6 million, are fully guaranteed and another $4.7 million is available through incentives.

The fun really begins in year three of the contract because in order to keep Asomugha through 2011, the Raiders must pay him either the franchise number for quarterbacks that year or $16.875 million (whichever number is greater). If another team acquires him via a trade, they would either have to re-work his contract or pay him quarterback money. That’s why Schefter suggests that Asomugha’s contract essentially makes him untradeable.

It’s not that teams won’t be interested in Asomugha, because all 31 other teams would line up to have him suit up for them next season. Outside of maybe Darrelle Revis of the Jets, Asomugha is the only cornerback in the league that can play man-to-man every snap and still consistently shut down one half of a field. Charles Woodson was brilliant last year for the Packers (he was arguably the best cornerback production wise in the league), but even he doesn’t exhibit the man-to-man coverage skills that Asomugha does. For as good as Revis is, he may not either. That said, unless a team wants to sink millions of dollars into one of their cornerback positions, Asomugha isn’t going anywhere.

Of course, there’s a good chance that Davis has no intentions of trading his star defender anyway. If Schefter did acquire this information from a reliable source that knows Davis, it still doesn’t change the fact that the owner loves to cause a stir and would certainly be capable of manipulating a story like this to create some headlines.

The safe bet is that Asomugha will be in silver and black again next year.

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