Tomlinson emerged from team headquarters Thursday night with a purple Vikings jersey in hand, but he pulled away in a black limousine without a deal in place.
Tomlinson declined to comment to reporters before the limo drove away, but several people with knowledge of the negotiations told The Associated Press that the two sides had yet to reach a deal and the running back was headed to the New York Jets for a Friday visit. Those people spoke anonymously because talks are ongoing with Tomlinson.
That doesn't mean the Vikings have lost out on their first choice to replace the departed Chester Taylor as the third-down back behind Peterson. But it does show that Tomlinson is being deliberate and thorough in his first foray into free agency after nine mostly brilliant seasons with the San Diego Chargers.
Vikings vice president of player personnel Rick Spielman sounded pragmatic about the process Thursday, telling play-by-play voice Paul Allen on KFAN that there's no pressure to sign Tomlinson before he leaves town.
"There's no pressure to say, 'Hey, we have to get it done today,'" Spielman said. "This could be a process that will continue on. He may want to look at both options. He may want to weigh what is the best situation for him. ... Just because a guy comes in on a visit and we don't get something done today doesn't mean something won't get done down the road, either."
As Tomlinson chases the Super Bowl appearance that has eluded him so far, he has set his sights on two teams that advanced to the conference championship games in January and also place an emphasis on the running game.
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Tomlinson was released by the Chargers in February. After being drafted in 2001, he skyrocketed to stardom and helped put the Chargers back on the map. He ranks eighth on the NFL's all-time rushing list with 12,490 yards. His 138 career rushing touchdowns rank second, and his 153 total touchdowns rank third.
But Tomlinson never reached a Super Bowl in San Diego, and age and injuries started to take their toll in recent seasons. Tomlinson will turn 31 in June and is coming off the least productive season of his career. He had 730 yards rushing on 223 carries for an average of 3.3 yards per carry, all career lows. He still managed to score 12 touchdowns, but his role was reduced in an offense that shifted its focus to Philip Rivers and the passing game.
"It's the old close but no cigar. That's what comes to mind," Childress said. "I'm sure as he's surveying the landscape of people that are approaching he and his agent, that's always something. You don't really want to go somewhere and get your brains beat out. You want to go and have a chance to win and compete and win that ultimate prize."
The role could fit Tomlinson well at this stage of his career. He's an excellent route runner and superb pass catcher, two things Peterson is still working on entering his fourth NFL season.
Tomlinson also could be intrigued by the possibility of taking handoffs from Brett Favre. The quarterback is still mulling whether or not to return for a 20th NFL season.
Favre's return could give the Vikings a slight edge over the Jets, who will have Mark Sanchez returning for a second season under center after a promising rookie year. But the Jets' stellar offensive line and the fact that they play on grass and not artificial turf also could be attractive for Tomlinson.
It was unclear Thursday night when Tomlinson would make a decision, or if he has any more visits scheduled after the Jets.
The Associated Press contributed to this report.