Martin O'Neill's side will make the short trip to the Banks's Stadium on Tuesday, July 27.
The Saddlers had already arranged all-Midlands clashes with Wolves and Coventry, but have had to cancel their meeting with Crewe.
Wayne Rooney's record-breaking feat has been punctuated by some stunning goals for Manchester United.
The latest gossip and rumours from the newspapers and online:Manchester City are prepared to pay Barcelona £100million for forward LIONEL
The latest gossip and rumours from the newspapers and online:The Sun says Chelsea striker DIEGO COSTA will call a truce
Pep Guardiola conceded Manchester City's Premier League title bid could be over after the heaviest domestic league defeat of his
It feels right again said Gary Neville, after United secured a 2-1 victory over Middlesbrough with an 86th minute winner
Wayne Rooney has the chance to officially break Sir Bobby Charlton's Manchester United all-time scoring record on Sunday - but