Special teams ratings (STR) combine kickoff return, kickoff, punt return, punt, field goal, and opponent field goal efficiency into one overall rating, represented as the team's standard deviation above or below average. Kickoff return efficiency (KRE) is scoring value gained or lost per kickoff return. Kickoff efficiency (KE) is scoring value gained or lost per opponent kickoff return. Punt return efficiency (PRE) is scoring value gained or lost per punt return. Punt efficiency (PE) is scoring value gained or lost per opponent punt return. Field goal efficiency (FGE) and opponent field goal efficiency (OFG) is scoring value gained or lost per field goal attempt. Field position is measured as the average distance from starting field position to end zone on offensive drives (OFP) and opponent offensive drives (DFP); net field position (NFP) is the difference between these values.
Ratings and supporting data are calculated from the results of non-garbage possessions in FBS vs. FBS games.