win probability added

Syllable breakdown

Dictionary meaning

a sports analytics metric that measures the change in a team's probability of winning a game attributable to a specific play, player action, or decision, calculated by comparing the win probability before and after the event using a model trained on historical game data; WPA contextualises performance by measuring impact on the most important outcome — winning — rather than raw counting statistics; high-leverage moments are worth more WPA than equivalent plays in low-leverage situations, making WPA sensitive to clutch performance; the metric has been applied across baseball, football, basketball, and hockey to identify players and plays that have the greatest impact on game outcomes, and to evaluate managerial decisions such as pitching changes and fourth-down attempts