Costello Matt's 2025-2026 game log below shows every game played that season, with points, rebounds, assists, steals, blocks, minutes, field goal attempts, and three-point attempts. Click any game row to view the full box score. StatBallers updates player game logs after every round of fixtures.
| Date | Matchup | Result | MIN | PTS | REB | AST | STL | BLK | FG | 3P | +/- |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 29 | vs Gran Canaria | W 105–81 | 13:13 | 2 | 1 | 0 | — | — | 1/1 | 0/2 | — |
| May 23 | @ Barcelona | W 102–77 | 16:09 | 10 | 6 | 0 | — | — | 3/5 | 1/1 | — |
| May 17 | vs Bilbao | W 88–83 | 15:58 | 3 | 5 | 1 | — | — | 0/1 | 1/5 | — |
| May 10 | vs Baskonia | L 86–88 | 13:33 | 6 | 3 | 0 | — | — | 0/0 | 2/5 | — |
| May 3 | @ Manresa | L 102–104 | 22:25 | 12 | 6 | 2 | — | — | 2/2 | 2/4 | — |
| Apr 25 | vs Real Madrid | L 82–96 | 19:39 | 5 | 2 | 1 | — | — | 1/2 | 1/4 | — |
| Apr 19 | @ Basquet Girona | W 84–81 | 23:53 | 20 | 10 | 2 | — | — | 4/5 | 4/9 | — |
| Apr 5 | vs Breogan | W 105–88 | 15:59 | 7 | 5 | 1 | — | — | 3/3 | 0/1 | — |
| Mar 29 | @ San Pablo Burgos | W 79–74 | 7:50 | 0 | 2 | 2 | — | — | 0/1 | 0/2 | — |
| Mar 22 | vs Granada | W 107–91 | 20:01 | 9 | 4 | 1 | — | — | 1/2 | 2/5 | — |
| Mar 14 | @ Tenerife | L 71–89 | 16:58 | 8 | 4 | 2 | — | — | 1/2 | 2/4 | — |
| Mar 8 | vs Murcia | W 110–84 | 13:38 | 8 | 5 | 2 | — | — | 2/3 | 1/3 | — |
| Feb 8 | @ Joventut Badalona | L 87–90 | 13:23 | 5 | 3 | 0 | — | — | 1/1 | 1/4 | — |
| Jan 25 | @ Gran Canaria | W 90–80 | 17:12 | 8 | 0 | 1 | — | — | 2/4 | 1/3 | — |
| Jan 12 | vs Basket Zaragoza | W 115–73 | 16:38 | 13 | 6 | 1 | — | — | 3/5 | 2/3 | — |
| Jan 10 | vs Unicaja | L 70–76 | 18:01 | 9 | 7 | 1 | — | — | 4/6 | 0/4 | — |
| Jan 4 | vs Manresa | W 103–76 | 10:36 | 6 | 2 | 0 | — | — | 1/3 | 1/2 | — |
| Jan 2 | @ Bilbao | W 116–72 | 17:45 | 8 | 3 | 0 | — | — | 1/1 | 2/6 | — |
| Dec 28 | vs MoraBanc Andorra | W 84–79 | 20:22 | 6 | 4 | 3 | — | — | 3/3 | 0/4 | — |
| Dec 21 | @ Murcia | L 80–92 | 18:32 | 9 | 1 | 1 | — | — | 2/3 | 1/1 | — |
| Dec 7 | @ Baskonia | W 91–89 | 19:48 | 5 | 3 | 0 | — | — | 1/2 | 1/3 | — |
| Nov 23 | vs Basquet Girona | W 98–72 | 14:32 | 3 | 3 | 1 | — | — | 0/1 | 1/1 | — |
| Nov 16 | vs Tenerife | W 96–79 | 18:56 | 9 | 5 | 1 | — | — | 2/3 | 1/1 | — |
| Nov 9 | @ Granada | L 79–85 | 14:28 | 8 | 5 | 0 | — | — | 1/1 | 2/7 | — |
| Nov 2 | vs San Pablo Burgos | W 100–82 | 15:48 | 11 | 2 | 0 | — | — | 2/2 | 2/3 | — |
| Oct 26 | vs Joventut Badalona | W 102–90 | 21:03 | 5 | 8 | 1 | — | — | 1/1 | 1/3 | — |
| Oct 19 | @ Forca Lleida | W 99–78 | 21:04 | 10 | 2 | 0 | — | — | 0/2 | 3/6 | — |
| Oct 12 | @ Breogan | W 113–90 | 18:00 | 5 | 5 | 1 | — | — | 0/0 | 1/3 | — |
| Oct 5 | vs Barcelona | W 93–81 | 20:19 | 9 | 6 | 0 | — | — | 0/0 | 3/5 | — |