"As the Green Bay Packers continue to make calls to prospective trading partners in hopes of dealing Brett Favre before training camp opens, new evidence has emerged in the team's tampering case against the Minnesota Vikings regarding the semi-retired quarterback.

Two NFL sources said Wednesday that, in addition to cell-phone records of calls between Favre and Minnesota coach Brad Childress and offensive coordinator Darrell Bevell, the club also claims Favre sent text messages back-and-forth with the two Vikings coaches.

In the aftermath of Favre asking for his outright release July 11, the Packers accused the Vikings of tampering with Favre by engaging in "inappropriate dialogue" with him.

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