Getty Free agent wide receiver Keenan Allen The Kansas City Chiefs were interested in adding Jauan Jennings to the wide receiver room this offseason. Now that he’s a member of the Minnesota Vikings , the Chiefs could, and probably should, pursue an older and more accomplished playmaker cut from a similar cloth. Keenan Allen has spent all but one season of his 13-year NFL career with the Los Angeles Chargers , earning six Pro Bowls along the way. At his best, Allen was considerably better than