Houston Astro's
The Houston Astros won 4-7.
The Houston Astros, they won 7-4
The Texas Rangers had a twelve (12) game winning streak in 2011 and it was snapped in a loss to the Los Angeles Angels by the score of 9-8 on July 20th.
LA Dodgers
His winning streak was ended by Roger Federer
The Houston Astros Beat the Texas Rangers on June 25, 2010 in Arlington. The lost 4-7 was the game in which Colby Lewis pitched in.
Houston astros by the score of 4-7 the rangers would go on to win the final two games in the series
Washington huskies
Oklahoma's 47 game winning streak ended on November 16, 1957 when they lost to Notre Dame, 7-0, in Norman. The streak lasted from October 10, 1953 when they defeated Texas, 19-14, to November 9, 1957 when they defeated Missouri, 39-14.
Arizona State
The Bucks 20 game winning streak began February 6 and ended March 8 in 1971.