With Tottenham trailing 2-1, the ball went out for a throw-in the hosts and a ball boy raced to throw the ball to Serge Aurier.
Aurier then found Lucas Moura with his throw and the Brazilian crossed for Harry Kane, who slotted home the equaliser.
Jose Mourinho thanked a ball boy for the part that he played in Harry Kane’s goal for Tottenham
The ball boy acted quickly to throw the ball to Serge Aurier in the buildup to Kane’s strike
Mourinho, in his first home game as Tottenham manager, was quick to acknowledge the part that the ball boy played in Kane’s strike.
The Portuguese high-fived and hugged the ballboy, which will no doubt help to endear him to Tottenham fans.
Mourinho high-fived and hugged the ball boy in his first home game as Tottenham manager
Olympiacos established a shock two-goal lead courtesy of efforts from Youssef El-Arabi and Ruben Semedo.
However, Tottenham pulled level as Dele Alli and Kane scored. Aurier then scored Tottenham’s third and Kane added another as Mourinho’s side completed an impressive turnaround.