Newcastle are 15th in the table and winless in six matches following a defeat by basement side Sheffield United earlier in the week.
Bruce said on Friday that they are still without some of the players who tested positive for COVID-19.
Bruce on Friday slammed the agent of attacking midfielder Miguel Almiron for suggesting that the Paraguay international is on the radar of many European teams
Longstaff has signed a new two-year contract to extend his stay at St James’ Park, the Premier League club announced on Saturday.
Elmohamady played under Bruce’s command for three different teams – Sunderland, Hull City and Aston Villa.
Bruce Springsteen on Wednesday announced he would extend a run of intimate Broadway shows into 2018 after fans quickly snatched up tickets.