 He played in 79 games for them in the 1960–61 season, with his team making it to the NBA playoffs and finishing the season in third place.Halbrook was a key presence in many of the Nationals' victories, including a 3-game series sweep over Wilt Chamberlain and the Philadelphia Warriors.Syracuse coach Alex Hannum told an Oregonian reporter that "Wilt was really concerned with Swede...Wilt never had to look anyone in the eye and he would get more involved in trying to outplay Swede than he would in trying to win the game."