Former Chelsea and Tottenham coach Antonio Conte was hired by Napoli on Wednesday as the deposed Serie A champions try to bounce back from their disastrous league title defence.
Spurs' lead over the Magpies was cut to 10 points with six games remaining, but Newcastle have a far easier run-in.
Tottenham boss Ange Postecoglou has praised Richarlison for going public with his mental health issues.
The two clubs have agreed a fee estimated to be worth a Bundesliga record 100 million euros ($110 million, £86 million) for the 30-year-old, who had just one year left on his contract at Tottenham
Bayern, who did not comment on the reports, have been trying to sign the striker for months with any deal worth around an estimated 100 million euros ($110.19 million)
Tottenham Hotspur have sacked interim coach Cristian Stellini, the Premier League club said on Monday after they suffered a 6-1 humiliation at Newcastle United that put the London side's top four hopes in jeopardy.
Tottenham manager Antonio Conte has backed "angry" Son Heung-min to end his goal drought despite admitting the South Korea star has lost confidence.
Chelsea manager Thomas Tuchel and Tottenham boss Antonio Conte have been charged with improper conduct after their explosive clashes in Sunday's stormy 2-2 draw.
For all the global appeal and excitement the Premier League generates, there is a clear danger that the dominance of Manchester City and Liverpool reaches a level of repetitiveness that undermines the competitive appeal of England's top flight.
Sir Alex Ferguson signed a contract with Manchester United in 2010 that ensured he would receive a higher salary than any of his players.