From 2000 to 2002, Major played college basketball for South Plains College where he was an all-conference selection in 2000–01 and averaged 13 points and eight rebounds per game in 2001–02. He then transferred to Fresno State in 2002 where he earned WAC All-Newcomer Team honors in 2002–03. He played 28 games and started six of them in 2002–03. In his two-year career at Fresno State, he averaged 10.2 points, 4.1 rebounds and 1.1 assists in 41 games.
Professional career
In 2004–05, Major played for the Gary Steelheads of the Continental Basketball Association and later joined the Dodge City Legend of the United States Basketball League for the 2005 season. In 2005–05, he spent time with both the Sioux Falls Skyforce and the Gary Steelheads, before again re-joining the Dodge City Legend for the 2006 USBL season. On November 2, 2006, Major was selected by the Dakota Wizards in the fourth round of 2006 NBA D-League draft. On January 17, 2007, he signed a 10-day contract with the Golden State Warriors. Following the ten days with the Warriors where he managed one game against the Los Angeles Clippers, he returned to Dakota, where he played out the 2006–07 season. In July 2007, Major joined the Miami Heat for the 2007 NBA Summer League. On August 1, 2007, he signed with Tisettanta Cantù of Italy for the 2007–08 season. Later that month, he was released in favor of Denham Brown. While trialling with the Denver Nuggets in October 2007, a loose heart valve was detected during a routine medical, requiring him to have open heart surgery and scuppering his chances of a deal with the franchise. After missing the entire 2007–08 season with his heart problem, Major re-joined the Dakota Wizards in 2008 where he went on to play three seasons for them. In November 2011, Major joined the Bakersfield Jam. On December 9, 2011, he signed with the Los Angeles Clippers but he was later released on December 19, 2011, and he returned to Bakersfield. In July 2012, Major joined the NBA D-League Select Team for the 2012 NBA Summer League. In August 2012, Major signed with Fuerza Regia of Mexico before leaving in September. In November 2012, he was reacquired by the Bakersfield Jam. After the D-League season, he signed with the Mets de Guaynabo of Puerto Rico. In August 2013, he signed with Kataja Basket Club of Finland for the 2013–14 season but later left in December 2013 after 12 league games and five EuroChallenge games. In January 2014, he re-joined the Bakersfield Jam. In July 2014, Major signed with the Cheshire Phoenix of the British Basketball League but later left the team in September 2014 after sustaining a foot injury. In November 2014, he once again returned to Bakersfield. On December 5, 2014, he reclaimed the NBA D-League all-time scoring record from Ron Howard. On April 20, 2015, he was named the recipient of the 2015 NBA Development League's Jason Collier Sportsmanship Award. In November 2015, Major returned to the Jam for a fifth stint. On October 31, 2016, Major was acquired by the Reno Bighorns. On October 12, 2018 he was acquired by the Kansas City Tornadoes after leading the Yakima SunKings to the league championship.
Coaching career
At the end of the 2018 NAPB season, Major served as the player-coach for the Yakima SunKings.
Career statistics
NBA
;Regular season
NBA D-League / G League
NBA D-League / G League Records
Renaldo Major holds the NBA G League record for the following statistical categories:
