A warrant has been issued for the arrest of former NFL wide receiver Chad Johnson in South Florida.The state attorney's office confirmed Thursday that a Broward circuit judge issued a warrant May 7 against Johnson for failing to report to his probation officer.Johnson received a year of probation last September after pleading no contest to a domestic violence charge involving his former wife, reality TV star Evelyn Lozada.The six-time Pro Bowl player was arrested in August after Lozada said he head-butted her during an argument. She quickly filed for divorce, which was finalized days before his conviction. They had only been married since July 4.Johnson was cut by the Miami Dolphins shortly afterward. He previously played for the Cincinnati Bengals and New England Patriots.Lozada is on the Basketball Wives TV show.Briefly • Bills: The Buffalo Bills have promoted Doug Whaley to take over as general manager, replacing Buddy Nix who stepped down earlier this week. Whaley was hired by Nix three years ago and has since been groomed as his successor. • Saints: New Orleans signed defensive tackle Isaako Aaitui to a two-year deal. The 6-foot-4, 315-pound Aaitui is entering his third year as a pro out of UNLV. He was on the Miami Dolphins’ practice squad for part of the 2011 season, then spent the 2012 preseason with Miami and the New York Jets. • Browns: Cleveland agreed to terms with free-agent running back Brandon Jackson on a 1-year contract. Jackson played in only two games for Cleveland last season. Jackson was inactive for 13 games. … The Browns also agreed to terms on a two-year contract with former Arizona quarterback Brian Hoyer. Hoyer, cut earlier this week by the Cardinals, is expected to compete for a backup job behind either Brandon Weeden or Jason Campbell. • Jaguars: Jacksonville added another defensive lineman, landing fourth-year tackle Kyle Love off waivers from the Patriots. The Jaguars claimed Brandon Deaderick off waivers from the Pats earlier this week. The Patriots released Love on Wednesday after he was diagnosed with Type 2 diabetes.