Joe Johnson scored 16 of his 22 points in the second half and Amare Stoudemire had 24 points and 14 rebounds as the Suns dominated the boards 58-26 and handed the Knicks their fourth straight loss.

The Suns' Shawn Marion made his first seven shots and was 9-for-12 for 18 points before being sidelined by a sprained left ankle with 6:01 left in the third quarter. New York's Tim Thomas left three minutes into the game with a hyperextended right elbow.

Marbury, cheered loudly when introduced, had 15 points and 13 assists but was just 4-for-12 shooting in the second half in his first game in Phoenix since being traded to the Knicks on Jan. 5. Kurt Thomas led the Knicks with 25 points. DerMarr Johnson scored 16 off the bench.

Penny Hardaway, also part of the trade, scored 10 points but shot just 4-for-13.

The Knicks, losers of six of their last seven, trailed by 14 after one quarter and as many as 22 in the second. They never cut Phoenix's lead to single digits in the second half.

New York got within 11 several times, the last when DerMarr Johnson made two free throws with 3:10 remaining. Jake Voskuhl's three-point play and Howard Eisley's 3-pointer with 2:06 to go boosted the lead to 108-91.

Marion was 7-for-7 and the Suns shot 58 percent in taking a 31-17 lead after one quarter. Phoenix outscored New York 18-4 over the final 5{ minutes.

The Suns led by 22 twice in the second quarter, the last time at 49-27 on Jahidi White's reverse layup from Howard Eisley with 5:43 to go in the half.

The Knicks cut it to 53-38, but Zarko Cabarkapa's three-point play on a rebound of a missed Suns' free throw with 2.7 seconds left put the Phoenix up 56-38 at the break.

The Knicks outscored Phoenix 11-4 to start the third quarter to make it 60-49 with 8:06 to play, and it was 73-62 after Marbury's three-point play with 3:17 left in the third. Phoenix led 80-68 entering the fourth.<

Game Notes The Knicks had beaten the Suns four times in a row. ... Phoenix, one of the worst rebounding teams in the league, had a 33-16 advantage on the boards and outscored the Knicks in the paint 40-16 in the first half. ... Stoudemire has a personal-best seven consecutive games with at least 20 points. Only Tim Duncan has a longer streak -- 12. ... The Suns have made six trades involving 20 players and seven draft picks since Sept. 30. The Knicks have made four trades since Isiah Thomas became president of basketball operations on Dec. 22.