The Warriors knew Yaxel Lendeborg would be an immediate contributor when they selected him No. 11 overall in the 2026 NBA Draft, and the rookie forward already is proving them correct on the NBA Summer League court.As shared by Logan Adams on X, Lendeborg leads all NBA rookies this summer with a 15.9 BPM, or Box Plus/Minus, which estimates a basketball player’s contribution to the team when that player is on the court based only on the information in the traditional basketball box score — no play-by-play data or non-traditional box score data is included, per Basketball Reference. The best rookies in Summer League by BPM:

1. Yaxel Lendeborg (15.9)2. Darryn Peterson (7.3)3. Graham Ike (7.2)4. Cameron Boozer (6.2)5. Kingston Flemings (5.4)

Yaxel Lendeborg has the highest recorded Summer League BPM of all time thus far.

— Logan Adams (@LoganPAdams) July 14, 2026 Not only is Lendeborg’s BPM the highest this summer, but the highest summer league BPM of all time, per Adams.

To put the Warriors rookie’s mark of 15.9 into perspective, a 0.0 BPM...