LAS VEGAS, July 14 - The Memphis Grizzlies (2-0) trailed by as many as 10 points against the New York Knicks (0-1) Tuesday afternoon at the 2009 NBA Summer League presented by EA SPORTS before they rallied for a four-point victory, 90-86, at the COX Pavilion in Las Vegas.

With his team up one at 78-77 in the fourth, Memphis’ Marcus Williams went to work scoring 10 of his 16 points for the game. Williams connected on four free throws and made three field goals to help his squad stay undefeated through two contests. Besides putting points on the scoreboard, he dished out five assists and brought down five rebounds.

“This is an opportunity for me to play,” said Williams after the game. “You have to take it one step at a time, try and play well and as hard as you can and try and make the roster.”

The Grizzlies trailed by as much as nine just 24 seconds into the fourth quarter before scoring 12 of the next 17 points to claim a one-point lead at 78-77. The teams exchanged the lead on three more occasions before Memphis held on to win by four.

New York appeared to have the game in hand with an impressive third-quarter showing. The Knicks broke open a tied contest at the half by slowly outscoring the Grizzlies. New York scored 20 of the first 30 points for the first of its four 10-point advantages in the period. They wound up taking an eight-point lead at 72-64 into the fourth quarter.

The teams played a tug-of-war first half, as they exchanged the lead four times throughout the first 20 minutes, but were tied going into intermission at 43. Besides the quartet of lead changes, the game was tied on six occasions.

The Knicks jumped out to a quick 4-0 lead through the first 77 seconds of the first quarter, but then watched as the Grizzlies clawed back. Memphis reeled off a 10-1 over a 2:31 span to turn a four-point deficit into a five-point lead. New York quickly regrouped and managed to go up by one, 17-16, with 45 seconds remaining before a 5-0 run to close the stanza by Memphis.

The Grizzlies extended their run to 7-0 with a jumper by Jeff Adrien 53 seconds into the second quarter. Memphis maintained its lead until New York tied the game up on two occasions past the midway point of the quarter. The Knicks then struck owned the lead for the final 2:41 before the squads tied things up twice going into the half.

Besides Williams’ effort, Memphis’ Darrell Arthur led all players with 22 points in the game. Arthur was 8-of-15 from the field and perfect from the charity stripe on his six attempts.

The Knicks had five players tally double-digits in a losing effort. Morris Almond led the team with 17. Jordan Hill, the eighth overall pick in last month’s draft, provided 13 points in his NBA Summer League debut. Nikoloz Tskitishvili put up 12 to Ron Howard’s 11. Joe Crawford rounded out the quintet with 10 of his own.

New York returns to action on Wednesday, July 15 at 1:00 pm against the Detroit Pistons in the day’s first game from the Cox Pavilion. Memphis will face the Los Angeles Clippers Thursday, July 16 at 7:30 pm in the Thomas & Mack Center.