Instead of celebrating their Super Bowl title with a game at their home stadium, the Baltimore Ravens will start the 2013 regular season on the road, because Major League Baseball and the Baltimore Orioles wouldn’t budge.The NFL likes to have its reigning champion open a season at home and wanted to have the Ravens play in Baltimore at night on Thursday, Sept. 5. But with the Orioles already set to host the Chicago White Sox next door at 7:05 p.m. on that date, and the leagues and teams unable to reach a compromise, the NFL announced Friday the Ravens will have to play somewhere else.The Ravens and Orioles play at adjacent stadiums and share a parking lot, so they avoid playing at the same time because of traffic problems.Briefly • Rams: Cornerback Trumaine Johnson was arrested on a misdemeanor driving under the influence charge in Missoula, Mont. • Bears: Linebacker D.J. Williams, recently of the Broncos, was signed to a one-year contract as a possible replacement for Brian Urlacher. • Browns: Tight end Kellen Davis, who spent his first four seasons with the Bears, signed a one-year contract. • Giants: Offensive tackle David Diehl told NFL Network that he would be willing to restructure his contract to help the effort to sign restricted free agent receiver Victor Cruz. Quarterback Eli Manning made the same gesture earlier in the week. • Bengals: Quarterback Josh Johnson signed a two-year contract. The four-year veteran has been a backup with the Buccaneers and Browns.