The top-seeded Pistons rallied from a 3-1 deficit in their best-of-seven Eastern Conference first-round series to eliminate Orlando with a 116-94 triumph in game seven on Sunday.
Taiwo Awoniyi marked his 100th Forest appearance with the early opener at Stamford Bridge and Igor Jesus's penalty doubled their advantage soon afterwards.
The 18-year-old Senegal international put a virtual second-string PSG side ahead after only six minutes with a fortuitous goal in a 2-2 Ligue 1 draw against Lorient.
Top players, including world number ones Jannik Sinner and Aryna Sabalenka, kept up the pressure on the Grand Slam tournaments with a letter to Roland Garros expressing "deep disappointment" over the French major's 2026 prize money.