By Cameron Flynn s Last season, the Los Angeles Rams went all-in and acquired former Detroit Lions quarterback Matthew Stafford en route to winning Super Bowl LIII. Now, with several players, including Stafford, entering the late stages of their careers, one NFL insider believes Sean McVay isn’t likely to continue coaching after his core group of players retire. In an interview on The Dan Patrick Show Wednesday, Albert Breer said that once the Rams’ core of Stafford, Aaron Donald, Jalen Ramsey and Cooper Kupp retires, he believes there’s a “pretty decent chance” McVay will be gone too. “#Rams …