Defenders with this ability will cause increased fatigue penalties when tackling a ballcarrier with a non-conservative tackle. Upgrades with TAK and POW.

Defenders with this ability will cause greatly increased fatigue penalties when tackling a ballcarrier with a hit-stick tackle. Upgrades with POW, STA, and TGH.

Players with this ability will recover from the effects of Wear and Tear and fatigue at an increased rate between plays. Upgrades with STR and STA.