On Monday night, the Boston Celtics and Dallas Mavericks will face off in Massachusetts in Game 5 of the NBA Finals.
The Celtics held a commanding 3-1 lead in the series but lost Game 4, 122-84.
Before Game 5, Paul, a basketball hall of famer and Celtics legend, FS1's Undisputed.
Pierce: “Boston is at 10. They have to get the job done on their home court. I don't want to give them any hope. If the Celtics lose on their home court, the momentum shifts to Dallas.”
Pierce added, “This is a must-win game for the Celtics. You don't want to be on that plane… a three-hour flight to Dallas is tough.”
If the Mavs survive, Game 6 of the series will be played in Dallas on Thursday night.
Luka Doncic led the Mavs (Game 4) with 29 points, 5 rebounds, 5 assists and 3 steals on 12-of-26 field goal attempts.
Meanwhile, Jayson Tatum led Boston with 15 points, five rebounds, three assists, one steal and two blocks on 4-of-10 field goal shooting and 1-of-4 3-pointers.
The last time the Celtics won an NBA championship was in 2008, when they defeated Kobe Bryant's Los Angeles Lakers.
Pierce, Kevin Garnett, Rajon Rondo and Ray Allen were all on the roster.
They made it to the NBA Finals in 2010 but lost that series to the Lakers.