Win Probability Added aka WPA, utilizes box score stats to rank player contributions which are weighted to give more credit to clutch shots and pace of the game. Created by Mike Beuoy in 2014, WPA focuses on missed shots, made shots, turnovers, and free throws while ignoring rebounds, assists, blocks and steals in clutch minutes or in garbage time.

Win Score is David Berri’s metric that indicates the relative value of a player’s points, rebounds, steals, turnovers, and field goal attempts. Win Score is sufficient to give you a quick snapshot of a player’s performance. And it is especially useful if you wish to know if a player is playing better or worse than he did before.

Win Share is a measure that is assigned to players based on their offense, defense, and playing time. WS/48 is win shares per 48 minutes and invented by Justin Kubatko who explains: “A win share is worth one-third of a team win. If a team wins 60 games, there are 180 ‘Win Shares’ to distribute among the players.”

Wins Above Replacement Player (WARP) evaluates a player who belongs to a team that is made up of him and 4 average players. This team is compared to another team made up of, 4 average players and a replacement-level player. Using replacement level shows the value of players who can play heavy minutes and avoid injury while continuing to perform …