Season-by-Season Comparison : points
William Powers’s Evolution as a Scorer: points per Game by Season in Extraliga
- PTS
Season-by-Season Comparison : rebounds
William Powers’s Development as a Rebounder: Rebounds per Game by Season in Extraliga
- REB
Season-by-Season Comparison : assists
William Powers’s Growth as a Playmaker: Assists per Game by Season in Extraliga
- AST