Grizzlies Summer League team in Las Vegas, Nevada. He joined 2009 first-round pick Hasheem Thabeet, undrafted rookie free agent Jeff Adrien, and Rudy Gay as one of four former UConn Huskies on the Grizzlies' Summer League roster. On August 7, 2009, Williams officially signed with the Grizzlies. International career Piratas de Quebradillas (2009) Williams signed with Piratas de Quebradillas of the Puerto Rican Basketball League (BSN) in late March 2009. During the first half of the season, Williams averaged 15.0 points per game, 5.3 rebounds and 9.3 assists. He had registered one triple-double and was the league-leader in assists. He was also selected to play in the league's All-Star game and won the game's MVP award, as well as winning the Skills Contest. He also finished the season earning All-BSN First Team honors with teammate Peter John Ramos, and helping the Pirates to the best record in the league. Because he went to the Memphis Grizzlies' summer league team and left the Pirates, he missed the league finals, and the Pirates lost the championship. Enisey Krasnoyark (2010–2011) In August 2010, Williams signed a one-year contract with the Russian team Enisey Krasnoyarsk. Quickly becoming leader of his new team, Williams helped Enisey qualify to playoff for the first time in club's history. In quarterfinals Enisey lost series to Lokomotiv-Kuban (1:2). Williams was named "Player of the Month" in Russian PBL League in November and December. He was also selected All-Star 2nd team. Williams finished season with 14.8 points per game and as league's best in total assists (184) and assist per game (6.8). Jiangsu Dragons (2011–2012) In late November 2011, Williams signed a contract with the Jiangsu Dragons of China. In 25 games, he averaged 11.1 points, 3.2 rebounds, 3.8 assists and 1.2 steals in 25.8 minutes. Unicaja Málaga (2012–2013) In 2012, Williams signed a one-year contract with the Spanish team Unicaja Málaga. In 53 games, he averaged 9.6 points, 2.6 rebounds and 3.3 assists in 22.2 minutes. Lokomotiv Kuban Krasnodar (2013–2014) On August 19, 2013, Williams signed a contract with the Russian team Lokomotiv Kuban Krasnodar. In 47 games, he averaged 9 points, 2.6 rebounds and 4.2 assists in 25.6 minutes. Crvena zvezda (2014–2015) On August 15, 2014, Williams signed a one-year deal with Serbian team Crvena zvezda. On November 22, 2014, in a game against Galatasaray, Williams set a Euroleague record for the most assists in a single game