Our experts offer free NFL picks for the AFC and NFC Championship Games as the matchup for Super Bowl LVII will be decided on Sunday. The NFL is down to the final four teams and fans should be treated to a pair of intriguing and exciting conference championship games on Sunday. In the NFC, it’s the top two teams squaring off whereas the AFC is a rematch from the regular season as well as last season’s conference title game. Related: NFL Playoffs Schedule (Updated) First up on Sunday is the NFC Championship Game between San Francisco and Philadelphia. The top…