By Ewan Murray Manchester United face an unfamiliar journey in the FA Cup fourth round this season. The 12-time winners of the competition will travel to Newport County’s Rodney Parade as they seek to continue making up for their FA Cup final defeat to local rivals Manchester City last season. For the Welsh side from League Two, it’s a simply colossal occasion. It will be only the second time that United have visited Wales for an away game in the FA Cup before and the first for almost 70 years. So, what happened the last time? How Man Utd fared in only previous FA Cup away game in WalesMan Utd…