Accused by the Green Bay Packers of talking to Brett Favre, the Minnesota Vikings refused to talk about Favre on Thursday.
"The Vikings are not commenting on the issue," Vikings spokesman Bob Hagan said. "These types of matters are handled by the league."
A source told the Associated Press late Wednesday that the Packers have filed tampering charges against the Vikings for what they claim is inappropriate contact with the quarterback.
The source, who requested anonymity because of the sensitivity of the subject, said Packers officials believe telephone records will indicate to the NFL that there has been more than "normal contact" between Favre and Vikings offensive co-ordinator Darrell Bevell, a former assistant coach in Green Bay.
"They feel like Favre had something [in place] and that is why he was so anxious to get his release all of a sudden," the source told AP.
League spokesman Greg Aiello had no comment on the report.
Favre, 38, wants to end a brief retirement and resume playing in the NFL, but he remains on Green Bay's reserve/retired list and must request, in writing, to be reinstated by NFL commissioner Roger Goodell.
Bus Cook, Favre's agent, told ESPN that Favre has "no definite plans to ask for reinstatement," leaving it up to the Packers to either keep him, trade him or release him.
"It is their move," Cook said.
Favre, the most prolific passer in NFL history, requested to be released last week because Green Bay offered him the backup role behind Aaron Rodgers rather than the No. 1 job he has held since 1992.
A very public rift has formed between the Packers and Favre, who hinted Tuesday that he might show up at training camp just to call the team's "bluff."
Training camp begins July 27.
Attended ESPY Awards
Favre spent Wednesday in Los Angeles with his wife, Deanna, attending the ESPY Awards.
"What have you been up to lately?" joked host Justin Timberlake. "I haven't seen you anywhere.
"Just chillin'? Yeah, me too."
Timberlake later plunged into the seats to hug Rodgers, prompting laughter from the crowd and a sheepish grin from Favre.
Recently retired New York Giants defensive end Michael Strahan had some fun at Favre's expense, too.
"There is mornings I wake up and I feel like calling the Giants — especially after watching Brett — and saying, 'If it is not going to be a big deal like the Brett Favre situation, I would like to come back,'" Strahan quipped. "We're having a controversy in New York — I want my position back."
Favre, who retired March 6, holds the NFL record for consecutive starts (253), having started every game for the Packers in each of the last 15 seasons.
He also owns the league marks for completions (5,377), attempts (8,358), passing yards (61,655) and touchdown passes (442).
Favre was drafted out of Southern Mississippi by Atlanta in the second round (33rd overall) in 1991, and played two games for the Falcons before being traded to the Packers for a first-round draft pick on Feb. 11, 1992.
He has been named to nine Pro Bowls and voted the NFL's most valuable player three times (1995-97), and led Green Bay to a 35-21 victory over the New England Patriots 35-21 in Super Bowl XXXI.
Favre is one of two NFL quarterbacks to surpass 60,000 yards, the other being Hall of Famer Dan Marino (61,361).