The teams don't play regularly during the regular season because they are in different conferences. The Cowboys are in the East division of the National Football Conference and the Texans are in the South division of the American Football Conference. The last time they played during the regular season was on October 5, 2014, when the Cowboys won in overtime 20-17 at AT&T Stadium in Arlington, Texas.
The National Football League has a rotating schedule, which means the two teams will not play again in the regular season until 2018.
The Texas teams have faced each other in the preseason nine times since Houston joined the league in 2002. The Cowboys are 4-5 against the Texas in the preseason and 3-1 against their intrastate rivals during the regular season.
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Yes. The original Cleveland Browns franchise, which had a 17-and-10 record against Dallas from 1960 to 1994, loomed as a serious NFL rival for the Cowboys during the late 1960s. The Browns thwarted Dallas' playoff hopes more than once before Cleveland moved to the American Football Conference in time for the 1970 NFL-AFL merger.
The Cowboys have three wins and no losses against the "new" Browns, the team that began play in 1999 -- three years after the original franchise moved to Baltimore to become the Ravens.
The Cowboys and the Browns are not scheduled to play again until the 2016 regular season, a game that most likely will be held in Cleveland.
Yes, they have played three times. Cowboys have won twice while the Texans have won only once. They last played in September 26,2010 and the Cowboys won 27-13 in Houston.