NFL-National Football League roundup

March 24 (The Sports Xchange) - Following recommendations by the Competition Committee, NFL owners voted Tuesday to reject a series of proposed rules that would have expanded the use of instant replay. However, in keeping with the league's current focus on injuries, the owners did ratify measures that addressed safety, including a designated, independent spotter will be put in place to call a timeout if there appears to be a possibly concussed player. - - Johnny Manziel is expected to be back on the field with the Cleveland Browns next month after the completion of months of treatment. General manager Ray Farmer said at the NFL owner's meetings in Phoenix that the team will not have exclusive authority in determining when the second-year quarterback rejoins the team. - - If Marcus Mariota is the No. 2 overall pick, he would also be the No. 1 quarterback on the depth chart with the Tennessee Titans. ranks Mariota as the No. 2 quarterback in the 2015 draft behind Florida State's Jameis Winston. The Titans don't have a franchise quarterback in place. Coach Ken Whisenhunt said he sees a pretty flawless player in evaluating Mariota. - - Ndamukong Suh was a headache for opponents in the NFC North, but Lions general manager Martin Mayhew is relieved his salary is not his franchise's burden. Mayhew and the Lions made what the team considered an aggressive bid to keep Suh. The Detroit Free Press reported the offer was six years, $102 million. The Lions were also working within constraints of two megadeals, the contracts of quarterback Matthew Stafford and wide receiver Calvin Johnson. - - Darren McFadden, Ryan Williams, Lance Dunbar and Joseph Randle might not be the answer, but the Dallas Cowboys will find one before the 2015 season, coach Jason Garrett said. The loss of running back DeMarco Murray puts the list of replacement options in the spotlight this offseason. Murray, who signed a five-year, $41.5 million contract with the Philadelphia Eagles, led the NFL in rushing and had 511 total touches, including the playoffs, last season. He was, in a word, the centerpiece of the Cowboys' offense. - - Quarterback Philip Rivers has reservations about a commitment to the San Diego Chargers with a potential relocation to Los Angeles in play, but the franchise is not parting with its quarterback, according to general manager Tom Telesco. Rivers, who has seven children, said earlier this month that he is not planning to sign a new deal with the Chargers while the team's future is sorted out. But Telesco considers Rivers a Charger, not a trade chip. - - Texans defensive end J.J. Watt, the 2014 NFL Defensive Player of the Year, agreed to convert a $10 million roster bonus to a signing bonus, creating a salary cap savings of $8 million for Houston. Watt signed a $100 million deal that included $51.8 million guaranteed in 2014. - - The Texans on Tuesday re-signed unrestricted free agent inside linebacker Akeem Dent. Terms of the contract were not disclosed. - - The Chicago Bears, in need of help on the defensive line, added two free agents to their roster when defensive tackle Ray McDonald reached agreement on a one-year contract and defensive end Jarvis Jenkins signed a one-year deal, the team announced. - - New York Jets coach Todd Bowles has thrown his support behind Geno Smith as the team's No. 1 quarterback heading into offseason workouts. With the Jets acquiring Ryan Fitzpatrick in a trade with the Houston Texans, there were questions as to who might become the main man behind center for the Jets in 2015. - - The Minnesota Vikings agreed to terms with linebacker Casey Matthews and safety Taylor Mays on Tuesday. Terms were not disclosed. Matthews spent his first four NFL seasons with the Philadelphia Eagles, recording 109 tackles and 2.5 sacks while starting 15 of 65 games. - - The Cincinnati Bengals are going to bring in more competition at the quarterback spot, but it will not be in an attempt to unseat starter Andy Dalton. Bengals head coach Marvin Lewis echoed the support for Dalton on Wednesday that owner Mike Brown laid the groundwork for at the NFL owners meetings the previous day. - - Coach Mike Tomlin and the Pittsburgh Steelers expect new faces in the same scheme when their defense takes the field this summer. Tomlin, who replaced defensive coordinator Dick LeBeau with linebackers coach Keith Butler, said Tuesday there is no certainty safety Troy Polamalu will play in 2015. Polamalu has not retired, and there are no talks about a new deal. (Editing by Frank Pingue)