"We possibly played our best game of the year," Gregg Popovich, Spurs coach, told reporters.
"Tony [Parker] looked aggressive and did a great job at both ends of the floor. He's just been phenomenal."
Tim Duncan added 23 points and 10 rebounds and Manu Ginobili scored 20 points for the Spurs, giving them their ninth post-season win in a row.
For the Suns, Shaquille O'Neal had 19 points and Steve Nash was held to seven as Phoenix fans booed the team at the end of the game.
|"We possibly played our best game of the year."|
"Whatever we tried to do they seemed like they had an answer and Tony Parker obviously was terrific," Mike D'Antoni, Suns coach, said.
Parker said a four-game sweep would be difficult.
"We're going to try our best," the Frenchman told reporters.
"But they will play like they have nothing to lose and we just have to give at least a good effort and play good basketball."
Also on Friday the Dallas Mavericks beat the New Orleans Hornets 97-87 largely thanks to Dirk Nowitzki's 36 points, 19 rebounds and six assists for their first win after back-to-back losses in the opening games of their series.
The Philadelphia 76ers crushed the Detroit Pistons 95-75 to open a 2-1 lead in their Eastern Conference series.