The New York Nets acquired Manny Leaks from the Texas Chaparrals on January 6, 1971 for Ed Johnson and Levern Tart. Leaks immediately became a productive interior scorer for New York, averaging 17.1 points and 9.7 rebounds in 40 games after the trade. Texas received 33 games of 18.9-point scoring from Tart plus eight games from Johnson. The Chaparrals extracted a little more combined short-term production from the two-player package, but Leaks was the best single long-term asset in the exchange, keeping the result to a slight Texas/San Antonio lineage edge rather than a decisive win.
Basketball-Reference's New York and Texas transaction logs match on the January 6, 1971 deal: the Nets sent Ed Johnson and Levern Tart to the Texas Chaparrals for Manny Leaks. The canonical TradeVerdicts franchise mapping uses Brooklyn Nets and San Antonio Spurs lineage identifiers, but the teams at the time were the New York Nets and Texas Chaparrals of the ABA. All three players are directly traceable in the season and player ledgers, so the exchange itself is high-confidence.
Leaks gave New York a strong half-season at center. In 40 games after the trade he averaged 17.1 points, 9.7 rebounds and 1.2 assists while shooting 49.5 percent from the field. That was not empty volume: he logged 1,427 minutes, or 35.7 per game, and gave the Nets a dependable interior scorer and rebounder through the rest of the regular season. He also remained with New York into the next season for nine more games before moving on, so the Nets received more than a brief rental.
Texas split its return between a scoring guard and a reserve center. Tart played 33 games for the Chaparrals after the deal and averaged 18.9 points, 5.8 rebounds and 4.4 assists in 24.9 minutes per game. Johnson appeared in eight games, averaging 6.5 points and 6.0 rebounds in 19.9 minutes. Neither player became a durable multi-year piece for Texas, but together they gave the Chaparrals useful immediate production across two positions. Tart in particular remained a high-usage scorer, while Johnson provided frontcourt depth behind the team's primary bigs.
The case for Texas is volume rather than star power. Tart and Johnson combined for 41 post-trade appearances in 1970-71, and Tart's scoring rate was higher than Leaks' while Johnson added a second playable body. The case for New York is concentration and quality: Leaks was the strongest rebounder in the deal, shot more efficiently than Tart and stayed in the Nets' rotation into the following season. Those competing advantages make this much closer than a simple two-for-one count suggests. The Chaparrals gained slightly more immediate aggregate production, but the Nets did not give away the clearly superior player.
Slight Spurs Edge, C+/C. Texas earns the C+ for turning Leaks into two contributors, led by Tart's 18.9 points per game over 33 appearances. New York earns the C because Leaks was productive and efficient enough to keep the exchange close, averaging 17.1 points and 9.7 rebounds in 40 games after arriving. The grade gap stays narrow because Texas' second piece lasted only eight games and neither outgoing player became a lasting franchise fixture. Confidence is high on the transaction and player production. The verdict reflects only verified transaction terms and realized team value.