A pair of struggling NFL franchises have reportedly considered a leadership change. The Cleveland Browns and Las Vegas Raiders have performed “preliminary research” on potential coaching switch-ups, according to ESPN’s Jeremy Fowler. During a Tuesday appearance on “This is Football” with Kevin Clark, Fowler said that while neither franchise has committed to a coaching shakeup, it remains a possibility heading into the offseason. 3 The Raiders have posted an NFL-worst 2-14 record under former Super Bowl-winning coach Pete Carroll. Getty Images “There are some...