OXNARD, Calif. -- Dallas Cowboys backup quarterback Kellen Moore suffered a broken right leg in Tuesdays practice, which puts even more stress on a position many believed needed help behind Tony Romo already.On what was scheduled to be Moores second-to-last team snap of practice Tuesday, guard Jared Smith was pushed back by defensive lineman Lawrence Okoye and stepped on Moores right ankle as the QB was making a throw to the sideline. Moore remained on the ground for a bit before he was able to limp off. He was helped to a trainers table and later carted to the locker room with an immobilization splint on his right leg.After practice, owner and general manager Jerry Jones said the initial diagnosis was a broken leg, and Moore would get X-rays at a local hospital. Jones was unsure whether Moore would require surgery and how much time he would miss.A source said Moore suffered a broken right fibula and will need surgery. He is looking at a two- to three-month recovery, depending on surgery findings, according to a source.Its regrettable, and well basically just take a look at it and address it there, Jones said. I dont have any comments about what, if anything, well be doing there.With Romos recent injury history, the backup position is ultra-important to the Cowboys. Romo, who turned 36 in April, missed 12 games last season because of a twice-broken left collarbone. He had two back surgeries in 2013. The Cowboys went 1-11 with Brandon Weeden, Matt Cassel and Moore starting games in Romos absence to finish 4-12 last season, their worst finish since a 1-15 mark in 1989.The Cowboys have backed Moore as Romos backup throughout the offseason. He played in three games last season, started the final two and finished with four touchdown passes and six interceptions. In the season-ending loss to the Washington Redskins, he completed 33 of 48 passes for 435 yards with three touchdowns and two interceptions.In free agency, the Cowboys did not go after high-priced backups such as Chase Daniel and Colt McCoy, but they met with veteran Matt Moore, who opted to remain with the Miami Dolphins. Last week, Jones said veteran Nick Foles was not an option, mostly because the Cowboys have four quarterbacks on the roster. With Moores injury, that could change.Rookie Dak Prescott took the second-team snaps after Moores injury. The Cowboys selected Prescott in the fourth round of the draft. He was the first quarterback drafted by the Cowboys since 2009.Its an opportunity for me to take more reps, get more snaps, and its something Im going to come in and make sure Im ready for, Prescott said. Im going to go study this film and continue to study it ... and take everything from the film room what Ive learned and take it to the field.Undrafted free agent Jameill Showers is in his second year and has been sharing the third-team work with Prescott.Moore had waited five years to be in a position to be the No. 2 quarterback after a record-setting career at Boise State. He spent four seasons with the Detroit Lions after making the team as an undrafted free agent but did not play in a game. It was his connection with Scott Linehan there that led him to the Cowboys last summer, first on the practice squad and then on the active roster.He spoke over the weekend about the excitement of the opportunity, but now he has to deal with a broken leg.Your heart hurts for him because he just works really hard, tight end Jason Witten said. Hes constantly taking notes. Hes studying. Hes communicating. And at that position -- Ive seen it with Tony for a long time as we came in -- you never know when your [opportunity] is going to happen. Hell continue to fight. Thats what he is. Thats who hes been his whole life. Hell bounce back, Im sure.Information from The Associated Press was used in this report. Cheap Cardinals Jerseys . Oyama had six birdies and two bogeys at Kintetsu Kashikojima in the event also sanctioned by the Japan LPGA Tour. "I have been having this neck ache thats been affecting my golf recently," Oyama said. Roger Maris Cardinals Jersey . Once again Jordan Cieciwa (@FitCityJordan) and I (@LynchOnSports) go head to head in our picks. Last weekend at UFC Fight Night 32 my #TeamLynch got the best of #TeamJC by a score of 9-6. Let us know which side youre on for UFC 167 use the hashtag #TeamLynch or #TeamJC on Twitter. https://www.cheapcardinalsonline.com/164t-jose-martinez-jersey-cardinals.html . 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