Chris Wilder was due to face his former club Sheffield United at the weekend but the team instead had the day off after it was postponed due to Covid-19.
Middlesbrough will now have to wait till Jan 15 for their first league match against Reading, where they will be hoping to make it seven games unbeaten in a row.
A win against the Royals could see Boro return to the top six as they look to return to the Premier League in dramatic fashion.
Here are the best of today’s rumours...
A win against the Royals could see Boro return to the top six as they look to return to the Premier League in dramatic fashion.
5. Trio battle for Gordon
Preston North End, Millwall and Barnsley have all been credited with an interest in Walsall's £250k-rated striker Josh Gordon. He's previously been on the books at Leicester City, and scored 12 goals last season. (Daily Mail) Photo: Nathan Stirk
Barnsley are said to have had a bid in the region of £400k turned down for Colorado Rapids winger Jonathan Lewis. The 23-year-old has six senior caps for the USA, and began his pro career at Bradford City. (Football Insider) Photo: Mike Ehrmann
Leeds United have been named favourites to sign Liverpool winger Harry Wilson, amid reports linking the Wales international with a move to Elland Road. He starred for now-Championship side Bournemouth on loan last season. (Sky Bet) Photo: Pool
QPR have announced the signing of Luke Amos from Spurs. The ex-England youth international spent last season on loan with the Hoops, and featured extensively in their starting XI. (Sky Sports) Photo: Alex Pantling