Hall should suit up for Washington's next game, on Nov. 16 against the Dallas Cowboys. The Redskins, who have had injury problems in the secondary, have a bye this week.
Hall was released by Oakland this week after playing eight games with the Raiders. Oakland acquired Hall in the offseason for two draft picks, then signed him to a seven-year, $70 million contract. But he lasted only a half-season with the Raiders.
Hall struggled in coverage early in the season but had shown signs of improvement in recent weeks.
In his eight games in Oakland, Hall was beaten 40 times for 552 yards on 66 passes thrown his way, according to Stats Inc. He gave up more yards than any other defender this season. In Washington, he joins a 6-3 team that needs help in the defensive backfield.
Steelers: : Quarterback Ben Roethlisberger practiced despite being limited by his slightly separated right shoulder and might play tomorrow against the Colts. He is listed as probable. The Steelers might be without running back Willie Parker (shoulder) and linebacker LaMarr Woodley (calf).
Jaguars: : Linebacker Mike Peterson rejoined the team, trying to move on from what he called a rough couple of days. It remained unclear whether the team's top tackler and defensive captain would return to the starting lineup tomorrow at Detroit. Coach Jack Del Rio sent Peterson home Wednesday as punishment for speaking out during a team meeting. According to teammates, Del Rio called out Peterson for his muscle-flexing celebration when the team trailed 21-3 at Cincinnati. Peterson defended himself in the meeting, saying he was trying to give the team a spark.
Lions: : Starting quarterback Dan Orlovsky said he might need thumb surgery for two fractures and a torn ligament. Orlovsky hopes to return this season, and coach Rod Marinelli didn't say which of Detroit's remaining quarterbacks - Drew Stanton and Daunte Culpepper - will start against Jacksonville tomorrow.
Seahawks: : Wide receiver Deion Branch (knee, heel) practiced with the first-team offense and has a chance to play tomorrow. Quarterback Matt Hasselbeck (hyperextended knee, bulging disc) was back on the practice field, too, putting him back on track to play next week.
Fines: : The NFL fined five players for actions during last weekend's games, including Minnesota's Jared Allen $50,000 for two below-the-knee hits on Houston quarterback Matt Schaub. Jacksonville defensive tackle John Henderson and Cincinnati guard Andrew Whitworth were fined $10,000 each for fighting. Henderson also got an additional $5,000 fine for illegal hands to the face when he struck Whitworth. Woodley was fined $10,000 for slamming Washington quarterback Jason Campbell to the ground Monday. Giants defensive end Justin Tuck was fined $7,500 for his hit on Dallas quarterback Brooks Bollinger on Sunday.