He was the only Cavalier to receive the Everett Case Award as the ACC Tournament's Most Valuable Player following Virginia's championship run, until Joe Harris in 2014.

[3] During the 2003 season, Walker engineered a trade with the Bucks for star guard Ray Allen, along with Flip Murray, Kevin Ollie and a first-round pick that became Luke Ridnour, to the Sonics for Gary Payton and Desmond Mason.

During his 12 years as president, the Sonics selected future NBA starters and reserves Eric Snow, Mark Blount and Earl Watson, all in the second round.

He signed free agents including Terry Cummings, Aaron Williams, Ruben Patterson, Reggie Evans, Antonio Daniels, Damien Wilkins and Jim McIlvaine, who despite fan derision helped the Sonics win its division in each of his first two years.

During the 2005 offseason, following the franchise's first 50-win season in 7 years, popular head coach and former Sonic player Nate McMillan signed a contract with a Northwest rival, the Portland Trail Blazers.

And he is one of only two people—player, coach, and/or member of the front office or staff—to be part of all three of the Sonics' Western Conference Championship seasons (1977–78, 1978–79 and 1995–96); the other person is trainer Frank Furtado.