... 15px; margin-left: 0px;">By now, everyone knows that the San Diego Chargers outside linebacker Shawne Merriman is on the trading block.

Merriman knows it too. In a recent tweet, he asked, “How long is the trading block b/c I been on it for 2yrs now."

It hasn't been much of a secret, San Diego's been looking at offers for Merriman since after the 2007-08 season. 

But for a three-time Pro Bowler who had 39.5 sacks in his first three seasons, you would think it would...

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