Pachulia played the last two seasons with the Warriors, winning a pair of championships while starting at center for the majority of the time during that span.
Pachulia, 34, averaged 5.7 points and 5.3 rebounds in 16.1 minutes per game in Golden State. He started 127 of 139 regular season games, but found himself out of the starting lineup for the last two series of last year's playoffs as the Warriors elected to start smaller lineups.
It was expected that the Warriors would not pursue bringing back Pachulia this summer and that was essentially confirmed when they signed Jonas Jerebko to a deal yesterday. The Warriors also will likely see David West leave from last year's roster, while JaVale McGee has already moved on to the Los Angeles Lakers.
The Pistons already have two formidable bigs in Blake Griffin and Andre Drummond so Pachulia will obviously be a reserve in Detroit. He could bring the franchise some championship pedigree as it looks to seize the opportunity of a LeBron James-less Eastern Conference that now feels up for grabs.