The market model ( left column ) predicts new average salary for a given player - season , .
The performance model ( right column ) predicts WAR for a given playerseason and translates this prediction into value using the average cost of a WAR per position .
The market model ( left column ) predicts new average salary for a given player - season , whereas the performance model ( right column ) predicts WAR for a given playerseason and translates this prediction into value using the average cost of a WAR per position .