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Houston up but Ariza down

Trevor Ariza is currently out of the game with cramps as Houston's training staff feverishly tries to work out the knots. Ariza has 8 points, 6 rebounds, 6 assists and 2 steals. The Rockets are up 7 points after three quarters. Live on ESPN/WatchESPN

AP

Tim MacMahon @espn_macmahon

Monta Ellis and Chandler Parsons are both 3-of-11 from the floor. Mavs need at least one of them to be an efficient scorer.

Roddy White @roddywhiteTV

I maybe wrong but James harden maybe the best at getting to the lane he makes it look so easy and smooth

Calvin Watkins @calvinwatkins

Harden goes coast-to-coast and picks up his 16th point of the evening. Mavs need a timeout. Home team leads, 72-62.

Derrick Rose on playoff return

After his first playoff game in 3 years, the Bulls star said: "It felt good. It felt normal. I'm grateful to be playing again, playing with my teammates that I have right now. They're allowing me to play the way that I normally play and it's an honor, man."

AP

ESPN Stats & Info @ESPNStatsInfo

Charlie Villanueva finally gets into a playoff game. His 594 regular season games without a playoff game were the most among active players

Tim MacMahon @espn_macmahon

Half: Rockets 59, Mavs 55. James Harden 12 points, 7 assists Dirk Nowitzki 12 points, 4 rebounds Rajon Rondo 11 points, 4 assists

Texas two-step

The in-state neighbors have seemingly agreed to trade quarters. Houston cruised 32-19 in the first. Then Dallas dosey-doed in the second, outscoring the Rockets 36-27. Rajon Rondo was responsible for 17 of those 36 Mavs points. Live on ESPN/WatchESPN

AP

Dallas knots it at 40

The bad news is Chandler Parsons was in visible pain and limping as he clenched a towel on his way to to the locker room. The good news? Tyson Chandler and Dirk Nowitzki combined for 8 quick points to tie the game. Watch live on ESPN/WatchESPN

AP

Tim MacMahon @espn_macmahon

Chandler Parsons is getting checked out by athletic trainer Casey Smith during the timeout. He's not close to 100 percent.

Mavs claw back into game

Rajon Rondo uncharacteristically made a 17-footer to cap off a 7-2 Mavs run that cut the Rockets' lead to 5 midway through the second. Dallas has held Houston to just 5 second quarter points. Watch live on ESPN/WatchESPN

Calvin Watkins @calvinwatkins

A sloppy start to the second quarter. We got some turnovers and a few whistles and Howard has been called for his third foul.