sisdatahub-glossary
SIS DataHub - Glossary Of Terms
Passing
On-Tgt: The number of times a quarterback’s throw is deemed catchable by the wide receiver, regardless of whether or not the receiver catches the pass
AirYards: The number of yards the ball travels downfield from the line of scrimmage to where the wide receiver catches the ball
On-Tgt%: The number of on-target/catchable throws a quarterback makes divided by the total number of pass attemptsattempts. Does not include plays with no reasonable accuracy expectation such as: spikes, throwaways, QB/WR miscommunications, receiver slips, and passes batted at the line of scrimmage.
Y/A: Yards per pass attempt
Y/G: Passing yards per game played
Rating: Traditional Passer Rating
IQR: Sports Info Solutions’ proprietary quarterback metric builds on the traditional Passer Rating formula by considering the value of a quarterback independent of results outside of the his control such as dropped passes, dropped interceptions, throwaways, etc.
EPA: Expected Points Added; the total change in the offense’s Expected Points that came on passes thrown by the player
Positive%: Positive Play Percentage; the percentage of passes thrown by the player that resulted in a positive EPA (i.e. a successful play for the offense)
Points Earned: The total of a player’s EPA responsibility on passes using the Total Points system that distributes credit among all players on the field for a given play. For passers, this includes accounting for offensive line play, sacks, off-target passes, dropped passes, and dropped interceptions.
Rushing
YAContact: The amount of additional yards the ball carrier achieves after first contact is made by a defender
Brkn Tkls: The number of times a defender was in position to make a tackle and made contact with the ball carrier, but failed to bring them down
Y/A: Yards per rush attempt
Y/G: Rushing yards per game played
YAC/Att: Yards after contact per rush attempt
BT/A (Renamed from “Brkn Tkl%”): The total number of broken tackles on rushes divided by the number of rush attempts.
1st Down%: The percentage of rushes in which the rusher achieves a first down
EPA: Expected Points Added; the total change in the offense’s Expected Points that came on carries by the player
Positive%: Positive Play Percentage; the percentage of rushes by the player that resulted in a positive EPA (i.e. a successful play for the offense)
Points Earned: The total of a player’s EPA responsibility on rushes using the Total Points system that distributes credit among all players on the field for a given play. For rushers, this includes accounting for offensive line play, run direction, broken tackles, and fumbles.
Receiving
Catchable: Pass attempts that the receiver was capable of catching
AirYards: The number of yards the ball travels downfield from the line of scrimmage to where the wide receiver catches the ball
YAC: Yards after catch, the amount of additional yards the receiver gains after catching the ball
YAContact: The amount of additional yards the ball carrier achieves after first contact is made by a defender
Brkn Tkls: The number of times a defender was in position to make a tackle and made contact with the ball carrier, but failed to bring them down
Comp%: The percentage of passes thrown to the receiver that result in a catch
On-Tgt Catch %: Total receptions divided by the number of catchable targets
Drop %: Drops/catchable targets
Y/Tgt: Receiving yards per pass attempt in which the receiver is targeted, including incompletions
Y/R: Yards per reception
Y/G: Receiving yards per game played
1st Down%: The percentage of receptions in which the receiver achieves a first down
Rec. Rtg: The quarterback’s traditional Passer Rating on throws when targeting the receiver
EPA: Expected Points Added; the total change in the offense’s Expected Points that came on passes thrown to the player
Positive%: Positive Play Percentage; the percentage of passes thrown to the player that resulted in a positive EPA (i.e. a successful play for the offense)
Points Earned: The total of a player’s EPA responsibility on targets using the Total Points system that distributes credit among all players on the field for a given play. For receivers, this includes accounting for offensive line play, off-target passes, dropped passes, and broken tackles.
Blocking
BB: A blown block, any time a blocker does not successfully block the defender they attempted to engage with and, as a result, gives the defender an opportunity to negatively affect the play
BB%: Blown Block Rate, the percentage of blocking snaps that the player had a blown block
Designed Runs: The number of times a rush attempt was designed to go through the blocker’s gap
Total Run Snaps: The number of run-blocking snaps on which the player was blocking
Designed Run Pct.: The percentage of run-blocking snaps that the player was on the field where the design of the play was for the rusher to run through their gap
Bounces: The number of times the player was run blocking and the rusher did not go through the designed gap
Bounce Rate: Bounces per run-blocking snap
AdjBB%: Strength of schedule Adjusted Blown Block Rate. Takes the extent to which a player’s defensive opponents had forced blown blocks in their other matchups above those offenses’ averages, and uses that as a strength-of-schedule adjustment for Blown Block Rate.
EPA: Expected Points Added; the total change in the offense’s Expected Points that came on plays in which the player was blocking
Positive%: Positive Play Percentage; the percentage of plays in which the player was blocking that resulted in a positive EPA (i.e. a successful play for the offense)
Points Earned: The total of a player’s EPA responsibility while blocking using the Total Points system that distributes credit among all players on the field for a given play. For blockers, this includes accounting for blown blocks, yards before contact on running plays, and performance given the defenders in the box.
Pass Defense
Cov. Snaps: The number of pass snaps on which the player was in coverage
Catchable: Pass attempts that the receiver was capable of catching when the player was the primary defender
Pass Def.: Passes defensed; the number of times the defender broke up a throw at the catch point. This can be done by either knocking the ball away or hitting the receiver as the ball reaches them to disrupt the catch.
Pass Defl.: Passes deflected; the number of times the defender made contact with a pass either at the line of scrimmage or in the secondary, but without entirely stopping the pass from moving downfield
Pass Batted: The number of times the defender knocked a pass down at the line of scrimmage by a defender rendering the pass entirely uncatchable
Deserved Catch %: The percentage of targets as the primary defender that the receiver either caught or dropped the ball when the pass was catchable.
Y/A (renamed from “YPA”): Yards per pass attempt allowed as the primary pass defender
Y/G (Renamed from “YPG”): Yards allowed as the primary pass defender per game played
QBR Against: Traditional Passer Rating allowed as the primary defender EPA: Expected Points Added; the total change in the offense’s Expected Points that came when the player was in coverage
Positive%: Positive Play Percentage; the percentage of plays with the player in coverage that resulted in a positive EPA (i.e. a successful play for the offense)
Points Saved: The total of a player’s EPA responsibility while in coverage using the Total Points system that distributes credit among all players on the field for a given play (with positive numbers being good). For pass defenders, this includes accounting for pass rush, broken tackles, dropped interceptions, turnovers, and turnover returns.
Pass Rush
Pass Snaps: The number of pass snaps on which the player was on the field
Pass Rushes: The number of pass snaps on which the player was rushing the passer
Solo Sacks: Sacks in which the defender brought down the quarterback by himself
Ast. Sacks: Assisted sacks; the number of times the defender helped sack the QB with the assistance of another defender
Comb. Sacks: Combined sacks; the number of solo sacks added to half of the amount of assisted sacks
Unblocked Sacks: A sack in which the rusher was able to reach the quarterback without anyone blocking them
FF: Forced fumbles
FR (renamed from “RF”): Fumbles recovered
Hurries: When a defender gets close to the quarterback and forces him to rush a throw before he may have otherwise thrown it
Hits: Any meaningful contact (more than a light brush) made by the defender on the quarterback before or as he releases the football
Knockdowns: Whenever a quarterback gets knocked down to the ground by a defender
Pressures: Any play in which there is a quarterback hurry, hit, or knockdown
Pass Defl.: Passes deflected; the number of times the defender made contact with a pass either at the line of scrimmage or in the secondary, but without entirely stopping the pass from moving downfield
Passes Batted: The number of times the defender knocked a pass down at the line of scrimmage by a defender rendering the pass entirely uncatchable
EPA: Expected Points Added; the total change in the offense’s Expected Points that came when the player was rushing the passer
Positive%: Positive Play Percentage; the percentage of plays with the player rushing the passer that resulted in a positive EPA (i.e. a successful play for the offense)
Points Saved: The total of a player’s EPA responsibility while rushing the passer using the Total Points system that distributes credit among all players on the field for a given play (with positive numbers being good). For pass rushers, this includes accounting for sacks, blown blocks forced, turnovers, turnover returns, and other disruptions at the line of scrimmage.
Run Defense:
Rush Snaps: The number of running plays on which the defender was on the field
Solo Tkl: Solo tackles: tackles by the defender in which they brought down the ball carrier on their own
Ast. Tkl: Assisted tackles; tackles by the defender in which they brought down the ball carrier with the assistance of another defender
Comb. Tkl: Combined tackles; the number of solo tackles added to the number of assisted tackles
TFL: Tackles for a loss
FF: Forced fumbles
FR: Fumbles recovered
FR TD: The number of times a player recovered a fumble and returned it for a touchdown
Tkl Short of 1st: Number of times a player tackled a runner before they could achieve a first down on the play
Broken Tkl: The number of times the defender was in position to make a tackle and made contact with the ball carrier, but failed to bring them down
Broken Tkl Yds: The amount of extra yards gained as a result of broken tackles
Tkl/G: The amount of tackles a defender averages per game
Missed Tackle Rate: The percentage of attempted tackles that result in a player failing to bring down the ball carrier when they are in position to do so.
EPA: Expected Points Added; the total change in the offense’s Expected Points that came on run plays when the player was on the field
Positive%: Positive Play Percentage; the percentage of run plays with the player on the field that resulted in a positive EPA (i.e. a successful play for the offense)
Points Saved: The total of a player’s EPA responsibility on run plays using the Total Points system that distributes credit among all players on the field for a given play (with positive numbers being good). For run defense, that includes accounting for defenders in the box, blown blocks forced, broken tackles, turnovers, and turnover returns.
Punting:
FCs: Fair catches; punts in which the receiving player called for a fair catch
TBs: Touchbacks; punts that resulted in a touchback