PHOENIX, May 9 (Ticker) -- Steve Nash received his Most Valuable Player trophy before the game. Teammate Amare Stoudemire then provided an MVP performance of his own.

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Stoudemire scored 25 of his 40 points in a scintillating first half as the Phoenix Suns ran the Dallas Mavericks ragged in a 127-102 rout in Game One of the Western Conference semifinals.

The floor general of the high-flying Suns, Nash became just the second point guard in 40 years to win the prestigious MVP award Sunday. He was honored before the game in front of his former Dallas teammates.

Stoudemire, who finished 10th in MVP voting, was an unstoppable force from the outset, proving far too quick for both Erick Dampier and Dirk Nowitzki.

In the first half, Stoudemire made 8-of-15 shots and went 9-of-11 at the free-throw line as the Suns built a 63-47 lead. His quickness helped him get to the line eight times in the first quarter, when he scored 15 points.

Stoudemire finished 13-of-21 from the floor and 14-of-17 at the line while also collecting 16 rebounds in the best postseason game of his career. The star attempted five more free throws than the Mavericks.

"I'm not surprised," Stoudemire said about not being double teamed. "I guess they felt Dampier was a big enough center to hold me. I am going to do what I do and take what the defense gives me."

"He was just being Amare like he's been doing all season," Suns guard Joe Johnson said. "I don't think any one person can stop him on the block. I think he has the advantage because they're not doubling."

The Suns were able to build the huge lead despite Nash picking up three first-half fouls. He had five points and five assists in the half, during which Phoenix shot 55 percent (23-of-42) and made 6-of-10 3-pointers.

Shawn Marion and Nash also had double-doubles for Phoenix, which stretched its lead to 99-73 lead after three quarters. Marion had 23 points and 11 rebounds and Nash 11 points and 13 assists.

"We certainly came out focused, which is so important for our team," Nash said. "When we're focused and playing with energy, we're extremely difficult to beat. It was good to get back to basketball - it was kind of like a sanctuary for this team."

Joe Johnson scored 16 of his 25 points in the first half for the top-seeded Suns, who have yet to be slowed in the postseason. Phoenix has won all five of its playoff games, averaging 116.4 points, up from its 110.4 mark in the regular season.

Phoenix, which scored the game's first eight points and never trailed, held a 24-9 advantage in fast-break points and made 12-of-22 attempts from the arc.

"I thought that defensively we did a lot better, we had a lot of energy," Suns coach Mike D'Antoni said. "When we do that we create opportunities and we run. Guys knocked down shots."

Just two nights after a 116-76 destruction of Houston - the most lopsided victory in a Game Seven in NBA history - the fourth-seeded Mavericks never found their legs against the fresher Suns, who were playing for the first time in eight days.

Nowitzki had 28 points and 13 rebounds for the Mavericks, who shot 45 percent (44-of-98) and went just 5-of-18 from the arc.

"The key for us to win this game was to slow the transition down and keep Stoudemire out of the lane," Nowitzki said. "We didn't do anything, they got whatever they wanted. They shot well from outside, Stoudemire was scoring at will. It's tough to win a game when they score 127. We're not going to outscore them."

Mavericks coach Avery Johnson was ejected with 3:20 remaining left in the third quarter after picking up a pair of technical fouls.

"We didn't an answer for anything they did," Johnson said. "They ran on us, they moved the ball and basically played like they did in the first round. I am very disappointed with our mental approach to the game. We had a pretty laid back day yesterday, but we thought it was a vacation. We're in a resort mood rather than a semifinal type of a playoff mood."

Game Two is Wednesday.

After Shawn Bradley's basket pulled the Mavericks within 32-26 early in the second quarter, Stoudemire made a jumper and Johnson two free throws to trigger a 12-2 burst. Nash's 3-pointer at the 7:48 mark capped the surge and gave the Suns a 44-28 lead.

Nash's jumper with 22 seconds left gave the Suns their biggest lead of the half at 63-45. They by at least 14 points the entire second half and by as many as 27 in the fourth quarter.