The Exchange
Basketball-Reference's Phoenix and Boston transaction logs resolve the structure more precisely than the legacy generic 'future considerations' wording. Boston sent Charlie Scott to Phoenix on March 14, 1972 for Paul Silas and cash, with Silas agreeing to terms with Boston in September to complete the transaction. Scott was still playing in the ABA when the deal was arranged, so Phoenix was initially acquiring NBA rights rather than an active Celtics roster player. He joined the Suns late in the 1971-72 season and immediately became the centerpiece of their offense.
Phoenix Return
Scott played six Suns games at the end of 1971-72, then became an All-Star in each of his next three full Phoenix seasons. In 1972-73 he played 81 games and averaged 25.3 points, 6.1 assists and 4.2 rebounds. He followed with 25.4 points and 5.2 assists in 52 games in 1973-74, then 24.3 points and 4.5 assists across 69 games in 1974-75. That is three consecutive All-Star scoring seasons from a player acquired as rights. Phoenix also preserved enormous transaction value. On May 23, 1975, the Suns traded Scott to Boston for Paul Westphal plus second-round choices in 1975 and 1976. Westphal became a franchise star in Phoenix. That later trade is a separate evaluation, so its entire outcome should not simply be copied backward, but it proves the Scott asset remained premium when Phoenix eventually moved him.
Boston Return
Silas fit Boston's championship core almost perfectly. He played 80 games in 1972-73, 82 in 1973-74, 82 in 1974-75 and 81 in 1975-76. He was named All-Defensive Second Team in his first Celtics season, All-Defensive First Team in 1975 and 1976, and an All-Star in 1975. His rebounding was especially valuable for a team built around John Havlicek, Dave Cowens and Jo Jo White: Silas collected more than 1,000 rebounds in both 1974-75 and 1975-76. Most importantly, he was a major rotation piece on Boston's 1974 and 1976 NBA championship teams. The Celtics received four full seasons of high-end defense, rebounding and postseason value from the future-consideration component, while the cash piece was secondary.
Final Verdict
This is one of the rare trades where forcing a winner makes the analysis worse. Phoenix received three full All-Star seasons from Scott, then converted him into the package that included Westphal. Boston received four durable Silas seasons, three All-Defensive selections, an All-Star appearance and two championships. The teams extracted different kinds of value but both outcomes were elite relative to the assets they surrendered. The legacy B-/B- grades dramatically undersell the transaction because they ignore Scott's sustained All-Star peak, Silas's championship defense and the fact that Scott remained a premium trade asset. An A+ for Phoenix and an A+ for Boston better reflect the realized outcomes without double-counting the full downstream Westphal career. Final verdict: Even Trade.