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offense / inside run
A downhill zone run that lets the back choose the crease after the defense commits.
Animated assignment view
The quarterback identifies the down linemen and the back aligns opposite the intended mesh path.
Ball: center
How it works
The line steps together and creates combination blocks rather than assigning a predetermined hole. The back presses the front side, reads interior movement, and makes one cut into the best crease.
Create a dependable run from spread formations while giving blockers favorable angles against multiple fronts.
Press the front-side A gap before making one decisive cut.
The runner starts toward the middle, watches where the blockers create space, and chooses that opening instead of aiming at one fixed hole.
The back's track must hold second-level defenders long enough for combination blockers to overtake before climbing.
Decision point
Read the first down lineman beyond the center and how the linebackers fit the combination blocks.
Stay on the original track through the right A gap before pursuit closes.
medium riskPlant once and enter the crease opening behind the center's leverage.
low riskCross the formation behind the flow when the backside edge loses contain.
high risk{
"schema": "openplay-football",
"schemaVersion": "0.1",
"id": "inside-zone",
"slug": "inside-zone",
"name": "Inside Zone",
"side": "offense",
"category": "inside-run",
"personnel": {
"id": "eleven-personnel",
"name": "11 Personnel",
"grouping": "1 RB, 1 TE, 3 WR",
"positionCounts": {
"QB": 1,
"RB": 1,
"WR": 3,
"TE": 1,
"OL": 5
}
},
"formation": {
"id": "gun-doubles",
"name": "Gun Doubles",
"family": "shotgun",
"strength": "balanced",
"description": "Two receivers align to each side while the back offsets beside the quarterback."
},
"situationTags": [
"early-down",
"short-yardage",
"balanced"
],
"players": [
{
"id": "qb",
"position": "QB",
"label": "QB",
"initialCoordinate": {
"x": 26.67,
"y": -5
},
"alignment": "Shotgun",
"side": "offense",
"ratingRole": "quarterback"
},
{
"id": "rb",
"position": "RB",
"label": "RB",
"initialCoordinate": {
"x": 31,
"y": -6
},
"alignment": "Offset right",
"side": "offense",
"ratingRole": "runningBack"
},
{
"id": "x",
"position": "WR",
"label": "X",
"initialCoordinate": {
"x": 5,
"y": -1
},
"alignment": "Wide left",
"side": "offense",
"ratingRole": "receivers"
},
{
"id": "h",
"position": "WR",
"label": "H",
"initialCoordinate": {
"x": 18,
"y": -2
},
"alignment": "Left slot",
"side": "offense",
"ratingRole": "receivers"
},
{
"id": "y",
"position": "TE",
"label": "Y",
"initialCoordinate": {
"x": 35,
"y": -1
},
"alignment": "Right wing",
"side": "offense",
"ratingRole": "tightEnds"
},
{
"id": "z",
"position": "WR",
"label": "Z",
"initialCoordinate": {
"x": 48,
"y": -1
},
"alignment": "Wide right",
"side": "offense",
"ratingRole": "receivers"
},
{
"id": "lt",
"position": "LT",
"label": "LT",
"initialCoordinate": {
"x": 21,
"y": -1
},
"alignment": "Line",
"side": "offense",
"ratingRole": "runBlocking"
},
{
"id": "lg",
"position": "LG",
"label": "LG",
"initialCoordinate": {
"x": 24,
"y": -1
},
"alignment": "Line",
"side": "offense",
"ratingRole": "runBlocking"
},
{
"id": "c",
"position": "C",
"label": "C",
"initialCoordinate": {
"x": 26.67,
"y": -1
},
"alignment": "Line",
"side": "offense",
"ratingRole": "runBlocking"
},
{
"id": "rg",
"position": "RG",
"label": "RG",
"initialCoordinate": {
"x": 29.4,
"y": -1
},
"alignment": "Line",
"side": "offense",
"ratingRole": "runBlocking"
},
{
"id": "rt",
"position": "RT",
"label": "RT",
"initialCoordinate": {
"x": 32.4,
"y": -1
},
"alignment": "Line",
"side": "offense",
"ratingRole": "runBlocking"
}
],
"preSnap": {
"description": "The quarterback identifies the down linemen and the back aligns opposite the intended mesh path.",
"shifts": []
},
"assignments": [
{
"id": "rb-track",
"playerId": "rb",
"startsAtMs": 600,
"endsAtMs": 3200,
"coachingPoint": "Press the front-side A gap before making one decisive cut.",
"type": "run-path",
"path": [
{
"type": "curve",
"control": {
"x": 27,
"y": -4
},
"to": {
"x": 26,
"y": 3
}
},
{
"type": "straight",
"to": {
"x": 25,
"y": 12
}
}
],
"aimingPoint": "Front-side leg of the center"
},
{
"id": "center-combo",
"playerId": "c",
"startsAtMs": 500,
"endsAtMs": 1800,
"type": "double-team",
"teammatePlayerId": "rg",
"responsibility": "Secure the front-side defensive tackle before climbing to the linebacker."
},
{
"id": "left-guard-zone",
"playerId": "lg",
"type": "run-block",
"responsibility": "Step play-side and prevent interior penetration."
},
{
"id": "left-tackle-zone",
"playerId": "lt",
"type": "run-block",
"responsibility": "Cut off the backside edge defender."
},
{
"id": "right-tackle-zone",
"playerId": "rt",
"type": "run-block",
"responsibility": "Reach the front-side edge and keep the lane inside."
},
{
"id": "tight-end-zone",
"playerId": "y",
"type": "run-block",
"responsibility": "Widen the force defender without allowing penetration."
}
],
"decisionPoint": {
"id": "choose-zone-lane",
"triggerTimeMs": 1800,
"prompt": "Which lane should the back commit to?",
"explanation": "Read the first down lineman beyond the center and how the linebackers fit the combination blocks.",
"options": [
{
"id": "hit-front-side",
"label": "Hit the front-side lane",
"description": "Stay on the original track through the right A gap before pursuit closes.",
"intendedRead": "The center and guard have displaced the tackle.",
"riskLevel": "medium"
},
{
"id": "bend-behind-center",
"label": "Bend behind the center",
"description": "Plant once and enter the crease opening behind the center's leverage.",
"intendedRead": "The front-side linebacker has overrun the block.",
"riskLevel": "low"
},
{
"id": "cut-backside",
"label": "Make the backside cut",
"description": "Cross the formation behind the flow when the backside edge loses contain.",
"intendedRead": "Backside pursuit has collapsed too far inside.",
"riskLevel": "high"
}
]
},
"timeline": [
{
"type": "pre-snap",
"atMs": 0
},
{
"type": "snap",
"atMs": 500
},
{
"type": "assignment-start",
"atMs": 600,
"playerId": "rb"
},
{
"type": "decision-pause",
"atMs": 1800,
"decisionPointId": "choose-zone-lane"
},
{
"type": "contact",
"atMs": 3200,
"playerIds": [
"rb",
"y"
]
},
{
"type": "play-end",
"atMs": 4000
}
],
"narrative": {
"summary": "A downhill zone run that lets the back choose the crease after the defense commits.",
"fullExplanation": "The line steps together and creates combination blocks rather than assigning a predetermined hole. The back presses the front side, reads interior movement, and makes one cut into the best crease.",
"strategicPurpose": "Create a dependable run from spread formations while giving blockers favorable angles against multiple fronts.",
"idealSituations": [
"First down",
"Second and medium",
"Against a light box"
],
"strengths": [
"Adapts to defensive movement",
"Pairs with play action",
"Limits unblocked penetration"
],
"weaknesses": [
"Interior disruption can muddy the read",
"Fast backside pursuit can erase cutbacks"
],
"keyRead": "Read the first defensive lineman beyond the center, then confirm the linebacker fit behind him.",
"watchFor": [
"The center-guard combination",
"The back pressing before cutting",
"Backside edge contain"
],
"beginnerExplanation": "The runner starts toward the middle, watches where the blockers create space, and chooses that opening instead of aiming at one fixed hole.",
"advancedNote": "The back's track must hold second-level defenders long enough for combination blockers to overtake before climbing."
},
"simulation": {
"difficulty": "beginner",
"conceptTags": [
"run",
"inside-zone",
"zone-blocking"
],
"baseSuccessRate": 0.61,
"yardRange": {
"min": -5,
"max": 22
},
"turnoverRisk": 0.012
}
}