Carr had the operation in Los Angeles and reported on his Twitter account that it went well.
The Raiders have one of the top offensive lines in the game, anchored by Pro Bowlers Donald Penn, Kelechi Osemele and center Rodney Hudson, and have two top playmakers on the outside in Amari Cooper and Michael Crabtree.
"We're up for the challenge," running back Latavius Murray said. "I know Matt is. We're not going to change anything. We're going to go out and execute and do what we do."
The running game behind Murray and rookies Jalen Richard and DeAndre Washington ranks fifth in the league at 124.3 yards per game and has been even more potent of late with 157.3 yards per game over the past four contests.
But to have success, McGloin will need to make plays like the 19-yard pass into coverage he made on a late third down play to Cooper that helped Oakland run out the clock in Saturday's 33-25 win over Indianapolis.
"It's almost like he lives for being that underdog, and that's what fuels him," said tight end Mychal Rivera, who played when McGloin started in 2013. "And it's brilliant. We're going to rally behind him."
Even the defense that struggled mightily early in the season has been much improved of late behind the strong play of pass rusher Khalil Mack.
If Oakland loses and the Chiefs win, the Raiders will open the playoffs at AFC South champion Houston on wild-card weekend.
"They're both great guys," backup quarterback Connor Cook said. "I would just say the only thing is McGloin probably swears a little bit more than Derek. That's the main difference."
McGloin uses those perceived slights as motivation to succeed where others thought he couldn't.
The players say both quarterbacks have similar approaches and work ethics, with the biggest difference being in their language.
While McGloin has thrown just 55 passes since making six starts late that year and Carr was mentioned as a possible MVP candidate with 28 TD passes, 3,933 yards passing and only six interceptions this season, the Raiders don't expect much to change with how the offense is run.
While Carr has been bred for the NFL ever since David was the No. 1 overall pick by Houston in 2002, McGloin had to walk on at Penn State before becoming a starter in college,Cheap Kevin Durant, was undrafted in the NFL, and has spent most of his four years as a backup.
ALAMEDA, Calif. (AP) — While Derek Carr underwent surgery to repair his broken right leg on Tuesday, the Oakland Raiders began preparing for a playoff run without their star quarterback.

They will just have to do it with McGloin under center instead of Carr,Nike React Sale.
That would leave Carr sidelined until just after the Super Bowl, meaning Oakland (12-3) will rely on backup Matt McGloin for the postseason run.
The Raiders believed enough in McGloin to place a second-round tender on him as a restricted free agent this past offseason, but he has had little time on the field since his rookie season in 2013.
McGloin steps into a much better situation this year than he did three years ago when he replaced an injured Terrelle Pryor at quarterback for an Oakland team on the way to a 4-12 record.
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"That was huge," said receiver Andre Holmes,Wholesale Authentic Jerseys, who played with McGloin in 2013. "He put the ball out there for Amari to go up and make a play on it. That's just showing how much confidence he has in Amari to make a play in a big-time moment. That's some of the things he did a lot when he was starting here a few years ago. He understands the abilities that his playmakers have."
The Raiders have given no timetable for how long Carr will be sidelined, but his brother, David, said Monday on NFL Network, where he is an analyst, that the initial estimates are he will miss six to eight weeks.
The Raiders can clinch the AFC West title and a first-round bye with either a win at Denver on Sunday or a Kansas City loss in San Diego.