The Correct Date and Package
Basketball-Reference's Seattle, Washington and NBA league transaction ledgers all place this trade on August 20, 1974, not August 19 as the legacy archive entry originally stated. Bill Russell's executive transaction record agrees. Seattle sent Dick Gibbs and a 1975 third-round draft choice to Washington and received veteran guard Archie Clark. The pick became No. 48 overall, Tom Kropp. Correcting the date is important because the source-backed archive should not preserve an inherited one-day error when the team, league and executive records align.
Archie Clark Gives Seattle Immediate Value
Clark stepped directly into a major Seattle role. He played 77 regular-season games in 1974-75, averaging 13.9 points, 5.6 assists and 3.1 rebounds in 32.2 minutes. Seattle finished 43-39 and reached the playoffs for the first time in franchise history. Clark then appeared in all nine postseason games, averaging 11.1 points and 3.4 assists as the SuperSonics beat Detroit before losing to Golden State. That immediate contribution alone made the acquisition substantially more valuable than a short rental at the end of a season.
Seattle Extends the Asset Chain
Clark's value did not end after one year. On September 25, 1975, Seattle traded him to Detroit for a 1978 first-round pick. That pick later became part of a November 1977 trade with Portland for Wally Walker. Walker then played a reserve role for Seattle during the late-1970s contender run, including the 1978 NBA Finals and the 1979 championship season. Clark cannot be credited with every minute Walker eventually played because the Portland transaction also included a Seattle second-round pick, but the original 1974 acquisition clearly retained downstream asset value after Clark's productive season.
Washington's Direct Return Was Modest
Gibbs played 59 regular-season games for Washington in 1974-75 but averaged only 7.2 minutes and 3.3 points. He appeared in six playoff games for a team that reached the NBA Finals. Kropp, selected with Seattle's third-rounder at No. 48 in 1975, played 25 games for Washington as a rookie and averaged 0.8 points. If the trade ended with those two direct outcomes, Seattle would hold the stronger realized-value case. Washington, however, converted Gibbs into a far more important asset before the next season.
Gibbs Becomes Mitch Kupchak
On July 30, 1975, Washington traded Gibbs to Buffalo for a 1976 first-round pick. That selection became No. 13 overall Mitch Kupchak. Kupchak played all 82 games as a rookie, averaging 10.4 points and 6.0 rebounds, then increased to 15.9 points and 6.9 rebounds in 1977-78. He was part of Washington's championship rotation and remained a meaningful frontcourt player before injuries altered his career path. Because the first-round pick was obtained directly for Gibbs, Kupchak is legitimate downstream value from the original Seattle transaction.
Final Verdict
Even Trade, A/A. Seattle received a productive starting guard for its first playoff team and later retained enough Clark value to help acquire Wally Walker. Washington received modest direct production from Gibbs and Kropp, but the Gibbs branch became the first-round pick used on Mitch Kupchak, an important member of the 1978 champions. Each side therefore created meaningful long-term value from different parts of the original package. Confidence is high because the date, player movement, draft-pick identity and major downstream transactions are all documented in team and league ledgers. The verdict reflects only verified transaction terms and realized team value.