The Vikings have called teams to see what they would be willing to offer in exchange for backup quarterback Tarvaris Jackson, according to a league source.
The Vikings have four quarterbacks on their roster, which must be trimmed to 53 players by Saturday. Coach Brad Childress said recently the team possibly could keep four quarterbacks, but it seems more likely that it will trade or release one.
Jackson has been the subject of trade rumors since Brett Favre arrived. However, it remains unclear which direction the Vikings will go if they are unable to trade Jackson.
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