NBA Referee Profile
J.B. DeRosa
J.B. DeRosa has logged 485 career games and his foul-calling profile is almost surgically neutral — 39.4 personal fouls per game, sitting just 0.3% below the league average. That's a ref who lets play run. He's not swallowing his whistle completely, but he's not manufacturing stoppages either. Free throw attempts land exactly at league average at 45 per game, which means the foul calls he does make are converting to the line at a normal rate — no meaningful gap between contact called and trips to the stripe. Bettors tracking pace and total points should note that DeRosa doesn't inflate scoring through foul inflation, but he's not suppressing it either. The number that demands attention is his home team win rate: 59.6%. The league baseline hovers around 57-58%, so DeRosa runs slightly above that. It's not dramatic, but it's consistent enough that backing the home side in close games on his crew is a reasonable tilt, not a hunch.
Career stats
Games officiated
485
Personal fouls / g
39.4
-0.3% vs league
Free throw attempts / g
45.0
+0.0% vs league
Combined points / g
225.5
+0.2% vs league
Home vs visitor
Home teams win 59.6% of games officiated by J.B.. Roughly in line with the ~57% league baseline — no strong home lean either way.
Recent seasons
| Season | Games | PF/g | FTA/g | PTS/g | Home W% |
|---|---|---|---|---|---|
| 2025-26 | 65 | 39.5 | 48.0 | 228.1 | 53.8% |
| 2024-25 | 36 | 39.1 | 43.8 | 234.2 | 66.7% |
| 2023-24 | 64 | 37.4 | 43.7 | 225.4 | 54.7% |
| 2022-23 | 64 | 42.1 | 50.0 | 232.5 | 53.1% |
| 2021-22 | 64 | 39.3 | 44.3 | 223.9 | 60.9% |
| 2020-21 | 51 | 39.5 | 44.4 | 229.3 | 60.8% |
| 2019-20 | 49 | 39.0 | 43.3 | 222.0 | 61.2% |
| 2018-19 | 55 | 40.9 | 44.5 | 221.2 | 65.5% |
| 2017-18 | 37 | 36.8 | 39.9 | 209.4 | 67.6% |
Top team splits
Teams J.B. has officiated the most, and how those franchises have fared under him.
| Team | Games | W-L | W% | Pace | PTS/g |
|---|---|---|---|---|---|
| IND | 40 | 23-17 | 57.5% | 99.2 | 114.9 |
| BOS | 40 | 22-18 | 55.0% | 96.4 | 110.4 |
| MIN | 39 | 23-16 | 59.0% | 99.3 | 113.8 |
| NYK | 38 | 18-20 | 47.4% | 97.6 | 110.5 |
| OKC | 38 | 25-13 | 65.8% | 100.7 | 113.4 |
| NJN | 37 | 18-19 | 48.6% | 99.1 | 109.9 |
| POR | 34 | 17-17 | 50.0% | 100.0 | 111.9 |
| DET | 34 | 20-14 | 58.8% | 98.1 | 114.2 |
| PHO | 34 | 17-17 | 50.0% | 99.4 | 111.0 |
| UTA | 34 | 15-19 | 44.1% | 99.3 | 112.2 |
| MEM | 33 | 20-13 | 60.6% | 99.1 | 109.6 |
| SAC | 31 | 12-19 | 38.7% | 98.9 | 112.1 |
| MIA | 31 | 17-14 | 54.8% | 97.7 | 111.7 |
| TOR | 31 | 16-15 | 51.6% | 98.0 | 109.2 |
| ATL | 29 | 12-17 | 41.4% | 99.3 | 110.8 |
| LAC | 29 | 13-16 | 44.8% | 97.7 | 112.1 |
| WAS | 27 | 10-17 | 37.0% | 100.8 | 112.5 |
| CHI | 27 | 8-19 | 29.6% | 99.0 | 111.4 |
| CLE | 24 | 16-8 | 66.7% | 97.3 | 111.6 |
| CHA | — | — | — | — | — |