Duels Mapping measures and compares MLS player performance in the fundamental tactic of winning the ball.

Each player's aerial duels won vs lost, tackles won, interceptions, and recoveries are weighted to calculate a metric for contesting possession called the Schmetzer Score.

Bonus Features:

• Comparisons Tab - 1v1 player match-ups
• Salary Data - clubs spending per ball won
• Tuning Button - customize stat weights