In 2009, the Houston Rockets and Rio Grande Valley Vipers pioneered the single-affiliate partnership, also known as the hybrid model. In November 2010, the New Jersey Nets and Springfield Armor announced they would enter into a single-affiliate partnership that began in 2011–12. In June 2011, the New York Knicks and Erie BayHawks announced they would be singly-affiliated. In May 2012, the Portland Trail Blazers entered into a single-affiliation partnership with the Idaho Stampede. The following month, the Boston Celtics and Maine Red Claws announced a single-affiliation partnership. In June 2013, the Miami Heat announced that they had entered into a single-affiliated partnership with the Sioux Falls Skyforce. In July 2013, the Sacramento Kings and Reno Bighorns (now the Stockton Kings) entered into a single-affiliation. The Stampede ended their affiliation with the Trail Blazers after the 2013–14 season and in June 2014 announced their affiliation with the Utah Jazz. The Armor moved to Grand Rapids, Michigan, after the 2013–14 season and affiliated with the Detroit Pistons. From 2014 to 2017, the Memphis Grizzlies had a single-affiliation with the Iowa Energy. In 2015, the last multiple affiliate team, the Fort Wayne Mad Ants, was purchased by the Indiana Pacers making the 2015–16 season the first with all teams having single-affiliations.