game) when he registered 20 points, 11 rebounds, 10 assists, and 10 steals while playing for the Spurs against the Phoenix Suns on . He is also the only non-center to record a quadruple-double, and the only player to do so with steals as the fourth category (the other three were with blocks). On May 28, 1989, Robertson was traded by the Spurs with Cadillac Anderson and a 1989 2nd round draft pick (Frank Kornet was later selected) to the Milwaukee Bucks for Terry Cummings and a 1990 2nd round draft pick (Tony Massenburg was later selected). He would continue to be a premier defender on the Bucks, leading the league in steal percentage, an advanced metric, each of his three full seasons. He was also voted to the 1991 all-star team, the same season he led the league in steals for the third time in his career. During the 1993–94 season, the Detroit Pistons traded Robertson to the Denver Nuggets in exchange for Mark Macon and Marcus Liberty. However, he never saw any playing time for the Nuggets due to pre-existing back injuries. Robertson scored the first points in Toronto Raptors' history. Ed Pinckney won the franchise's opening tip-off against the New Jersey Nets, Robertson hit a three-pointer, and the Raptors were ahead 3–0. Personal life Robertson is the father of Tyrell Johnson, 2008 NFL 2nd round draft choice of the Minnesota Vikings. He is also the father of Elgin Cook, a professional basketball player. His brother, Ken Robertson, played basketball for Cleveland State University. Legal problems Robertson has had a history of off-court problems, during and after his career. In August 1997, he pleaded no contest to four misdemeanor charges of abusing a former girlfriend and was sentenced to one year in prison. During the trial he was accused of having kicked in an apartment door while his former girlfriend and her 8-year-old daughter were inside, then taking her wallet and knocking over a television set. Robertson allegedly returned a few hours later and ripped rings off her fingers, tore a watch off her wrist, slashed furniture, damaged clothing and tried to set a fire. He also spent a month in jail during the 1990 NBA off-season on domestic assault charges against his then-wife. Robertson was arrested again in San Antonio in January 2007, on a variety of charges, several related to domestic violence. On February 26, 2010,