rebounds in a 102–99 win against the Utah Jazz. A month later, Allen played in his first All-Star Game, where he had 14 points in 17 minutes. During the 1999–2000 season, Allen led the Bucks in scoring during the regular and post-season. On February 7, 2001, Allen recorded his first career triple-double with 20 points, 10 rebounds and 11 assists against the Boston Celtics. A few days later, he participated and won his first 3-point shootout during All-Star Weekend. Allen, alongside Sam Cassell and Glenn Robinson, helped lead the Bucks to the Eastern Conference Finals. Allen recorded a new playoff career high with 41 points in a Game 6 victory over the 76ers, but the Bucks ultimately lost in seven games. Allen earned All-NBA Third Team honors in 2001. Seattle SuperSonics (2003–2007) Allen remained with the Bucks midway through the 2002–03 season, when he was dealt to the Seattle SuperSonics, along with Ronald Murray, former UConn teammate Kevin Ollie, and a conditional first round draft pick, in exchange for Gary Payton and Desmond Mason. It was speculated that Allen's contentious relationship with coach George Karl played a role in the Bucks' willingness to part with Allen. After an injury-riddled 2003–04 season, Allen was named to the All-NBA Second Team in the 2004–05 season and, alongside teammate Rashard Lewis, led the Sonics to the 2005 Conference Semifinals. In July 2005, Allen signed a five-year, $85 million contract with the SuperSonics. On March 12, 2006, Allen became the 97th player in NBA history to score 15,000 points. On April 7, 2006, Allen moved into second place on the NBA's list of all-time 3-point field goals made, trailing only Reggie Miller. On April 19, 2006, Allen broke Dennis Scott's ten-year-old NBA record for 3-point field goals made in a season in a game against the Denver Nuggets. The record was broken by Stephen Curry. In the 2006–07 regular season, Allen averaged a career-high 26.4 points per game while adding 4.5 rebounds and 4.1 assists per game. On January 12, 2007, he scored a career-high 54 points against the Utah Jazz in a 122–114 overtime win, the second most in Sonics history. Shortly after, he had ankle surgery on both ankles and missed the remainder of the 2006–07 season. Boston Celtics (2007–2012) 2007–2009: First championship On June 28, 2007, the Sonics traded Allen and Glen Davis, the 35th overall pick in the 2007 NBA