| John Williams Matchups 1998-1999 | Stats Glossary  |
| Matchups | Won Matchups | Lost Matchups | Based on Efficiency Recap Difference on Games when John Williams and his opponent play > 25 minutes |
| - Hasn't won any matchup | |
| - Has lost 1 matchup | Mavericks Record : 0 - 1 | Lost-Matchups Statistics |
| - Has lost 1 road matchup | Mavericks Record : 0 - 1 | Lost-Matchups Statistics |
| - Has more blocks than opponent in 1 matchup | Mavericks Record : 0 - 1 | Statistics |
| - Has less turnovers than opponent in 1 matchup | Mavericks Record : 0 - 1 | Statistics |