THE 644 · JULY 2026 · #315 OF 644
Zach Collins
Chicago Bulls · C · age 28
Tier 9 — Deep bench, two-ways & stashes
37.3GRAVITY SCORE · 50 = LEAGUE-AVERAGE MINUTE
GRAVITY scores every player the same way: how good per minute, times how reliably he's on the floor. 60+ is a quality starter; 80+ is a franchise engine. How it works.
The impact numbers
The public stats behind the score, 2025–26 regular season (Basketball Reference).
10GamesRegular-season games played.
184MinutesRegular-season minutes played.
+0.2Box Plus/MinusPoints per 100 possessions he adds over an average player, estimated from the box score. 0 is average.
+1.0Offensive BPMThe offense half of Box Plus/Minus.
−0.7Defensive BPMThe defense half of Box Plus/Minus.
0.1VORPValue over a replacement-level player, from Box Plus/Minus and minutes.
.137Win Shares per 48Wins credited to him per 48 minutes played.
.666True shootingScoring efficiency that counts threes and free throws.
18.8%UsageShare of his team's possessions he finishes while on the floor.
+11.4On/offHis team's point margin per 100 possessions with him on the court minus with him off. Basketball Reference, raw.
2025–26 season box
18.4Minutes per game
9.7Points per game
5.6Rebounds per game
1.5Assists per game
0.2Steals per game
0.4Blocks per game
57.8%FG%Share of field-goal attempts made.
42.9%3P%Share of three-point attempts made.
70.0%FT%Share of free throws made.