Spence starred while on loan at Nottingham Forest last season as he helped Steve Cooper’s side win promotion to the Premier League via the Championship play-offs.
Forest were linked with re-signing him but Spurs have been in the driving seat for some time, with a deal finally now said to be close.
That’s according to The Telegraph, who have reported that after rejecting offers of £10m and £11m Boro have accepted an offer of £15m, which could rise to £20m after installments.
An expected timescale for the completion of the deal has been revealed, with the report outlining that he is set to undergo a medical in time to join the Premier League club’s pre-season tour of South Korea.
Antonio Conte’s squad are set to fly out on Saturday and begin their scheduled fixtures with a game against Team K League on Wednesday in Seoul.
Quiz: 20 statements about former Middlesbrough players – Are they true or false?
Spurs has looked like the most likely destination for Spence for some time but it seems concrete progress has finally been made.
A £15m deal that could rise to £20m seems a fair one for both parties but you have to credit Boro for standing strong in negotiations and rejecting the earlier offers.
Isaiah Jones is already part of Chris Wilder’s squad and Spence has seemed destined to depart since January, so losing him isn’t a blow at this point.
Supporters will now want to see the club reinvest the money in the current window.