Dallas Cowboys quarterback Tony Romo practiced Friday for the second straight day and is officially listed as probable for Sunday’s game against the Jacksonville Jaguars in London.

Romo, who injured his back for the third time in the last 18 months nearly two weeks ago, sat out last week’s loss to the Arizona Cardinals and skipped the team’s first practice in London on Wednesday, but he participated in drills Thursday and Friday.

The Cowboys (6-3) play the Jaguars (1-8) at Wembley Stadium in the last of three regular-season games in London this year. The Cowboys have lost their last two games. Backup Brandon Weeden started last week against the Cardinals.

–Quarterback Carson Palmer reached agreement with the Arizona Cardinals have reached agreement on a three-year contract extension worth $50 million, CBS Sports NFL Insider Jason La Canfora reported Friday.

Palmer would have become a free agent after the 2014 season if he had not signed an extension.

He has led Arizona to a 7-1 record, and the Cardinals are 5-0 in the games Palmer played.

–Buffalo Bills running back Fred Jackson and wide receiver Sammy Watkins are listed as questionable with groin injuries for Sunday’s game against the Kansas City Chiefs.

Bills coach Doug Marrone took back slightly his Thursday comments that Jackson is “not ready” for game action. Marrone said Friday a decision hasn’t yet been made on the veteran running back’s availability for Sunday.

–Green Bay Packers quarterback Aaron Rodgers is listed as probable for Sunday night’s game against the Chicago Bears.

Rodgers suffered a hamstring injury in Week 8 at New Orleans, but it doesn’t appear to be hindering his ability to prepare the game in Chicago.

Packers starting guards Josh Sitton (toe) and T.J. Lang (ankle) are both listed as questionable after participating in a workout on Friday morning.

–Cincinnati Bengals coach Marvin Lewis said that tight end Tyler Eifert, who is currently on the on injured reserve/designated for return with a dislocated right elbow suffered on Sept. 7, may not play again this season.

–Tampa Bay Buccaneers running back Doug Martin (ankle), cornerback Alterraun Verner (hamstring) and offensive tackle Anthony Collins (foot) are listed as doubtful for Sunday’s game against the Atlanta Falcons.

Wide receiver Vincent Jackson (knee), tight end Austin Seferian-Jenkins (thumb) and defensive end Michael Johnson (hand) are among Bucs players listed as questionable.

–Detroit Lions defensive tackle Nick Fairley’s knee injury remains non-surgical at this point, coach Jim Caldwell said.

Fairley injured his knee during the Lions’ 22-21 come-from-behind win over Atlanta in London. He had 14 combined tackles and one sack before the injury.

–Baltimore Ravens outside linebacker Terrell Suggs was fined $8,268 for a late hit on Pittsburgh Steelers running back LeGarrette Blount during Sunday’s game, NFL Media Insider Ian Rapoport reported.

Blount said this week that Suggs is “known to be a dirty player.”

Also, Ravens linebacker Courtney Upshaw was fined $20,000 for a roughing-the-passer penalty.

–San Diego Chargers wide receiver Seyi Ajirotutu drew a $27,562 fine from the NFL after he came in contact with an official during a 37-0 loss to the Miami Dolphins.

Ajirotutu was ejected in the third quarter of last Sunday’s game for touching a referee during an altercation with a Dolphins player.

–Carolina Panthers Pro Bowl defensive end Greg Hardy, who has been on the commissioner’s exempt list since Sept. 17, said he is hopeful to return this season.

“I want to play, man,” Hardy told ESPN.com at Miami International Airport on Friday in his first public comments since going on the exempt list. “My team, you know, is losing right now. So I can’t wait.”

Hardy has been on NFL commissioner Roger Goodell’s exempt list with pay while his domestic violence case is pending. The trial in Mecklenburg County (N.C) was recently postponed until early 2015.

–Tennessee Titans president and CEO Tommy Smith admits he is an impatient person as his team has started out 2-6 halfway through the season.

Despite his disappointment, Smith said that he has no plans to make changes at the top with general manager Ruston Webster and head coach Ken Whisenhunt.

–Former Titans kicker Rob Bironas was driving at more than twice the speed limit when he crashed his SUV and was killed in September, the Tennessean reported based on information from the Metro Police Department’s Crash Investigative Unit.

The report stated Bironas was going 73 mph when he lost control of his vehicle, causing him to go off the road. The speed limit is 35 mph.