Jose Mourinho is back in management after replacing Mauricio Pochettino as Tottenham head coach.
Here, we take a look at his managerial career in pictures.
Jose Mourinho's Porto beat Celtic to win the UEFA Cup in 2003
Mourinho celebrates as Porto stun Manchester United in the 2004 Champions League at Old Trafford
After Porto's shock Champions League success, Jose Mourinho was named the new Chelsea boss in 2004
Mourinho holds up his first silverware as Chelsea boss following a Carling Cup final win over Liverpool
Mourinho's first season ends with Chelsea lifting their first league title in 50 years
Chelsea retained the title the following season
Mourinho tries to keep the peace during Chelsea's League Cup final win over Arsenal in 2007
European success continued to elude Mourinho at Stamford Bridge as Chelsea lose to Liverpool in the Champions League semi-finals
Mourinho tells Chelsea fans to keep their chins up after missing out on the Premier League title to Manchester United
But Mourinho responds by leading his side to FA Cup success over Manchester United
Mourinho left Chelsea by mutual consent in September 2007
Mourinho heads to Inter Milan where, in his second season, a Champions League final win over Bayern Munich secures the treble
A spell at Real Madrid included a LaLiga title and a win over Manchester United in Sir Alex Ferguson's last Champions League tie
After departing Madrid, Mourinho returned to Chelsea
During a trophyless season, Mourinho gave a reminder of his tactical skills with a 2-0 win at Anfield that cost Liverpool the Premier League title
Mourinho led Chelsea to League Cup success in 2015
Chelsea made it a double by winning the Premier League
After a miserable start to the season, Mourinho was sacked in December 2015
Mourinho was hired as Manchester United's manager
Silverware soon followed as United won the 2017 EFL Cup
United won the Europa League as well in 2017, but it would prove the last trophy of Mourinho's spell
Mourinho's United finished a distant second to Pep Guardiola's Manchester City in the 2017-18 Premier League
Mourinho consoles his players after losing the 2018 FA Cup final to Chelsea
Mourinho had a reported fallout with Paul Pogba
Mourinho was sacked after a Premier League defeat at Liverpool
