Parsons went 12-of-13 from the field overall and got 11 of his total in the big quarter, which saw the Rockets drain six 3-pointers.
James Harden struck for 14 of his 21 points during the frame -- which matched the third-highest quarter total in the NBA this season.
O.J. Mayo led Dallas with 18 points as the Mavericks fell for the fourth time in five games.
18-year-old elf alleges mall Santa pinched her buttocks on the job
Theater accidentally screens 'Nymphomaniac' trailer instead of Disney's 'Frozen'