Evans, who worked out for team officials Thursday, played in one game as a rookie, making two tackles, but he was released after being arrested June 23 after an altercation with a cab driver resulted in charges of battery on a police officer, resisting arrest with violence, trespassing and disorderly conduct. At the time, he was on probation for marijuana possession stemming from an arrest Feb. 10 while he was still at Texas State-San Marcos.
"I've been blessed with another opportunity, which I feel I should have, and I want to take advantage of that," Evans said.
Vikings coach Brad Childress said he's tried to research Evans' case, which still must pass through the legal system and be scrutinized by the NFL, and he was satisfied that Evans would be a good fit with the Vikings.
"We've got some good things going in the locker room," Childress said. "I think that will be a benefit for this situation."
To make room on the roster, the Vikings waived rookie linebacker Rufus Alexander, who injured his left knee during Friday's preseason opener and could face surgery.
He may end up on injured reserve if he clears waivers.
Erasmus James knew he'd get back to the team before training camp ended, and the Minnesota Vikings' third-year defensive end was right.
James was activated from the physically-unable-to-perform list and practiced for the first time Sunday afternoon. James, who made four sacks as a rookie, started the first two games of last season before suffering a season-ending knee injury.
He had been working with trainers on an adjacent practice field for the first two weeks of training camp. He practiced with the third-team defense, behind starter Ray Edwards and rookie Brian Robison.
"I've been out of football for almost a year," James said. "There's a lot of work to do."
Following Friday's game, Childress said that Brooks Bollinger might get the start at quarterback Friday at the New York Jets, Bollinger's former team, but on Sunday, Childress said that he hasn't decide if Bollinger or Tarvaris Jackson will start. But both will get work with the starters in the first half.
Childress also said that backup Drew Henson, who was scheduled to play Friday but didn't, will also get some time in the second half.