(Renton, WA) -- Seahawks star running back Marshawn Lynch is reportedly about to undergo surgery. NFL Media's Ian Rapoport reports that Lynch will be out about a month and miss at least four of Seattle's final six games of the regular season. Lynch met Monday with a specialist in Philadelphia about an injury to his abdomen. He suffered the injury, which is described as a strain or tear of soft tissue in the abdomen, in practice before the Arizona game, and played through it against the Cardinals.