2021 · Week 2 · Sep 11, 2021 · Jack Trice Stadium
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Win probability · ISU
modelISU aheadIOWA aheadconfidence bandkey playISU scoreIOWA score
What if? - hover the chart or a play below, then change how it went
Q4 0:05 · TEAM run for a loss of 1 yard to the Iowa 27
Driver values - Δ win prob, pts
Home team on offenseScore differentialPregame priorGarbage-time factorScore diff ÷ seconds remainingScore diff ÷ offense timeouts
This game in five plays
- TD · Q2 1:01: Spencer Petras pass complete to Charlie Jones for 26 yds for a TD (Caleb Shudak KICK) — IOWA win probability +10.7 pts (now 64%) (top driver: IOWA has the ball).
- TD · Q2 0:07: Breece Hall run for 4 yds for a TD (Andrew Mevis KICK) — ISU win probability +12.6 pts (now 56%) (top driver: ISU has the ball).
- FUMBLE · Q3 5:08: Breece Hall run for no gain Breece Hall fumbled, forced by Jestin Jacobs, recovered by Iowa Jack Campbell , return for 6 yds (Caleb Shudak KICK) — IOWA win probability +18.2 pts (now 71%) (top driver: ISU has the ball).
- FG · Q3 2:56: Caleb Shudak 51 yd FG GOOD — IOWA win probability +9.4 pts (now 84%) (top driver: IOWA has the ball).
- TD · Q4 3:27: Hunter Dekkers pass complete to Tarique Milton for 13 yds for a TD (Connor Assalley KICK) — ISU win probability +8.8 pts (now 13%) (top driver: ISU has the ball).
Was that the right call?
Each option's modeled win probability for the team making the call, from the score, clock and field position before the play. Gaps under one point are close calls. How this works
Fourth downs
ISU made the numbers' call on 7 of 9IOWA made the numbers' call on 7 of 11
- Q1 13:31IOWA 4th & 3 at IOWA 34, tiedClose callPunted · 38.0% before the snapGo for it38.0%52% to convertField goalOut of rangePuntTheir call38.0%−<0.1average punt
- Q1 12:31ISU 4th & 9 at ISU 9, tiedAgrees with the numbersPunted · 61.8% before the snapGo for it61.7%−0.129% to convertField goalOut of rangePuntTheir call61.8%average punt
- Q1 11:17IOWA 4th & 5 at IOWA 44, tiedAgrees with the numbersPunted · 38.1% before the snapGo for it38.1%−<0.141% to convertField goalOut of rangePuntTheir call38.1%average punt
- Q1 8:29ISU 4th & 7 at ISU 20, tiedAgrees with the numbersPunted · 61.2% before the snapGo for it61.2%−0.135% to convertField goalOut of rangePuntTheir call61.3%average punt
- Q1 6:07IOWA 4th & 13 at ISU 32, tiedAgrees with the numbersKicked a field goal · 38.2% before the snapGo for it37.9%−0.321% to convertField goalTheir call38.1%51% to makePunt37.9%−0.2average punt
- Q1 0:39ISU 4th & 4 at IOWA 5, tiedClose callKicked a field goal · 62.1% before the snapGo for it62.0%40% to convertField goalTheir call61.9%−0.292% to makePunt59.7%−2.4average punt
- Q2 12:11IOWA 4th & 3 at IOWA 44, down 3Close callPunted · 37.2% before the snapGo for it37.5%52% to convertField goalOut of rangePuntTheir call37.2%−0.3average punt
- Q2 5:35ISU 4th & 7 at ISU 44, down 4Agrees with the numbersPunted · 54.3% before the snapGo for it54.0%−0.437% to convertField goalOut of rangePuntTheir call54.3%average punt
- Q3 12:07ISU 4th & 8 at ISU 48, down 4Agrees with the numbersPunted · 51.0% before the snapGo for it51.0%−0.734% to convertField goalOut of rangePuntTheir call51.6%average punt
- Q3 10:25IOWA 4th & 14 at IOWA 6, up 4Agrees with the numbersPunted · 47.1% before the snapGo for it43.8%−4.116% to convertField goalOut of rangePuntTheir call47.9%average punt
- Q3 8:12ISU 4th & 22 at ISU 13, down 4Agrees with the numbersPunted · 47.5% before the snapGo for it44.5%−5.67% to convertField goalOut of rangePuntTheir call50.1%average punt
- Q3 5:16IOWA 4th & 21 at ISU 41, up 4Agrees with the numbersPunted · 52.3% before the snapGo for it50.0%−3.69% to convertField goal52.7%−0.932% to makePuntTheir call53.6%average punt
- Q3 2:56IOWA 4th & 18 at ISU 33, up 11Agrees with the numbersKicked a field goal · 71.2% before the snapGo for it68.6%−2.613% to convertField goalTheir call71.2%49% to makePunt69.9%−1.4average punt
- Q4 12:53IOWA 4th & 4 at ISU 4, up 14Close callKicked a field goal · 88.4% before the snapGo for it88.4%40% to convertField goalTheir call87.6%−0.893% to makePunt78.8%−9.6average punt
- Q4 11:25ISU 4th & 6 at ISU 29, down 17Agrees with the numbersPunted · 8.2% before the snapGo for it7.8%−0.439% to convertField goalOut of rangePuntTheir call8.2%average punt
- Q4 9:52IOWA 4th & 6 at IOWA 29, up 17Agrees with the numbersPunted · 93.2% before the snapGo for it93.1%−0.339% to convertField goalOut of rangePuntTheir call93.3%average punt
- Q4 8:19ISU 4th & 8 at ISU 26, down 17Agrees with the numbersPunted · 6.0% before the snapGo for it5.6%−0.533% to convertField goalOut of rangePuntTheir call6.0%average punt
- Q4 6:27IOWA 4th & 9 at IOWA 35, up 17Agrees with the numbersPunted · 95.2% before the snapGo for it94.9%−0.531% to convertField goalOut of rangePuntTheir call95.4%average punt
- Q4 1:46IOWA 4th & 4 at ISU 45, up 10Close callPunted · 94.1% before the snapGo for it93.9%48% to convertField goal92.8%−1.225% to makePuntTheir call93.3%−0.7average punt
- Q4 0:50ISU 4th & 5 at ISU 37, down 10Close callWent for it · 5.5% before the snapGo for itTheir call5.7%−0.141% to convertField goalOut of rangePunt5.7%average punt
After touchdowns: kick or go for two?
ISU made the numbers' call on 2 of 2IOWA made the numbers' call on 2 of 2
- Q2 8:13IOWA Touchdown, up 3 before the tryAgrees with the numbersKicked · madeKickTheir call44.9%97% to makeGo for two44.8%−0.145% to convert
- Q2 1:01IOWA Touchdown, up 10 before the tryAgrees with the numbersKicked · madeKickTheir call60.4%97% to makeGo for two60.4%−0.145% to convert
- Q2 0:07ISU Touchdown, down 5 before the tryAgrees with the numbersKicked · madeKickTheir call49.3%97% to makeGo for two49.1%−0.245% to convert
- Q4 3:27ISU Touchdown, down 11 before the tryAgrees with the numbersKicked · madeKickTheir call9.0%97% to makeGo for two8.7%−0.345% to convert
Play by play - hover to pin the curve, click to jump
Download drive chartIOWADrive 1PUNT5 plays · 7 yds · 1:2439% → 39%
Q1 14:15
2ND & 8
OWN 29
+5
61.5%
Spencer Petras pass complete to Tyrone Tracy Jr. for 5 yds to the Iowa 34Similar
own 0own 2550opp 25opp 0
ISUDrive 2PUNT4 plays · 1 yds · 0:5462% → 61%
Q1 12:31
4TH & 9
OWN 9
+4
61.2%
Corey Dunn punt for 56 yds , Charlie Jones returns for 4 yds to the Iowa 39Similar
own 0own 2550opp 25opp 0
IOWADrive 3PUNT4 plays · 5 yds · 1:0539% → 39%
Q1 11:17
4TH & 5
OWN 44
0
61.4%
Tory Taylor punt for 50 yds, fair catch by Tarique Milton at the IowSt 6Similar
own 0own 2550opp 25opp 0
ISUDrive 4PUNT7 plays · 14 yds · 2:4161% → 61%
IOWADrive 5MISSED FG6 plays · 9 yds · 2:1140% → 39%
ISUDrive 6FG11 plays · 63 yds · 5:2361% → 63%
Q1 5:02
1ST & 10
OWN 49
+2
62.0%
Brock Purdy pass complete to Breece Hall for 2 yds to the Iowa 49Similar
Q1 3:49
1ST & 10
OPP 35
+12
62.5%
Brock Purdy pass complete to Xavier Hutchinson for 12 yds to the Iowa 23 for a 1ST downSimilar
Q1 1:15
3RD & 8
OPP 9
+4
62.4%
Brock Purdy pass complete to Xavier Hutchinson for 4 yds to the Iowa 5Similar
own 0own 2550opp 25opp 0
IOWADrive 7PUNT8 plays · 19 yds · 3:1938% → 38%
Q2 14:55
2ND & 7
OWN 28
+2
62.3%
Spencer Petras pass complete to Tyler Goodson for 2 yds to the Iowa 30Similar
Q2 14:12
3RD & 5
OWN 30
+7
62.7%
Spencer Petras pass complete to Tyler Goodson for 7 yds to the Iowa 37 for a 1ST downSimilar
Q2 12:11
4TH & 3
OWN 44
0
62.4%
Tory Taylor punt for 46 yds, fair catch by Tarique Milton at the IowSt 10Similar
own 0own 2550opp 25opp 0
ISUDrive 8INT1 play · 0 yds · 0:0062% → 62%
Q2 12:03
1ST & 10
OWN 10
0
62.1%
Brock Purdy pass intercepted Matt Hankins return for no gain to the IowSt 49Similar
own 0own 2550opp 25opp 0
IOWADrive 9TD9 plays · 49 yds · 3:4739% → 49%
ISUDrive 10PUNT9 plays · 19 yds · 2:3055% → 54%
Q2 6:36
3RD & 9
OWN 26
+15
53.1%
Brock Purdy pass complete to Charlie Kolar for 15 yds to the IowSt 41 for a 1ST downSimilar
own 0own 2550opp 25opp 0
IOWADrive 11TD11 plays · 71 yds · 4:2247% → 64%
Q2 5:23
1ST & 10
OWN 29
-7
52.6%
Spencer Petras sacked by Zach Petersen and Will McDonald IV for a loss of 7 yards to the Iowa 22Similar
Q2 4:42
2ND & 17
OWN 22
+2
53.5%
Spencer Petras pass complete to Ivory Kelly-Martin for 2 yds to the Iowa 24Similar
Q2 4:05
3RD & 15
OWN 24
+21
54.1%
Spencer Petras pass complete to Sam LaPorta for 21 yds to the Iowa 45 for a 1ST downSimilar
Q2 1:16
2ND & 2
OPP 36
+10
46.3%
Spencer Petras pass complete to Charlie Jones for 10 yds to the IowSt 26 for a 1ST downSimilar
Q2 1:01
2ND & 10
OPP 26
+26
36.1%
Spencer Petras pass complete to Charlie Jones for 26 yds for a TD (Caleb Shudak KICK)Similar
own 0own 2550opp 25opp 0
ISUDrive 12TD7 plays · 75 yds · 0:4339% → 56%
Q2 0:50
1ST & 10
OWN 25
+4
38.8%
Brock Purdy pass complete to Breece Hall for 4 yds to the IowSt 29Similar
Q2 0:32
2ND & 6
OWN 29
+16
39.0%
Brock Purdy pass complete to Breece Hall for 16 yds to the IowSt 45 for a 1ST downSimilar
Q2 0:23
1ST & 10
OWN 45
+2
39.7%
Brock Purdy pass complete to Chase Allen for 2 yds to the IowSt 47Similar
Q2 0:12
2ND & 8
OWN 47
+49
39.9%
Brock Purdy pass complete to Darren Wilson Jr. for 49 yds to the Iowa 4 for a 1ST downSimilar
own 0own 2550opp 25opp 0
ISUDrive 14PUNT10 plays · 23 yds · 2:4752% → 51%
Q3 14:50
2ND & 10
OWN 25
+10
52.2%
Brock Purdy pass complete to Charlie Kolar for 10 yds to the IowSt 35 for a 1ST downSimilar
Q3 13:32
3RD & 5
OWN 40
+6
53.5%
Brock Purdy pass complete to Xavier Hutchinson for 6 yds to the IowSt 46 for a 1ST downSimilar
Q3 12:07
4TH & 8
OWN 48
0
50.7%
Corey Dunn punt for 42 yds, fair catch by Charlie Jones at the Iowa 10Similar
own 0own 2550opp 25opp 0
IOWADrive 15PUNT4 plays · -4 yds · 1:3750% → 47%
own 0own 2550opp 25opp 0
ISUDrive 16PUNT4 plays · -12 yds · 2:0551% → 47%
Q3 10:05
2ND & 12
OWN 23
-8
50.3%
Brock Purdy sacked by Jack Campbell and Deontae Craig for a loss of 8 yards to the IowSt 15Similar
Q3 9:32
3RD & 20
OWN 15
-2
48.5%
Brock Purdy sacked by Joe Evans for a loss of 2 yards to the IowSt 13Similar
Q3 8:12
4TH & 22
OWN 13
+24
47.3%
Corey Dunn punt for 54 yds , Charlie Jones returns for 24 yds to the IowSt 43Similar
own 0own 2550opp 25opp 0
IOWADrive 17PUNT6 plays · 2 yds · 2:4955% → 53%
Q3 8:05
1ST & 10
OPP 43
+7
45.4%
Spencer Petras pass complete to Tyrone Tracy Jr. for 7 yds to the IowSt 36Similar
Q3 6:39
2ND & 10
OPP 30
0
41.9%
Spencer Petras pass complete to Nico Ragaini for no gain to the IowSt 30Similar
Q3 6:04
3RD & 10
OPP 30
-11
43.3%
Spencer Petras sacked by Jake Hummel for a loss of 11 yards to the IowSt 41Similar
own 0own 2550opp 25opp 0
ISUDrive 18FUMBLE TD1 play · 0 yds · 0:0029% → 29%
Q3 5:08
1ST & 10
OWN 6
+6
29.3%
Breece Hall run for no gain Breece Hall fumbled, forced by Jestin Jacobs, recovered by Iowa Jack Campbell , return for 6 yds (Caleb Shudak KICK)Similar
own 0own 2550opp 25opp 0
ISUDrive 19INT3 plays · 1 yds · 0:3730% → 28%
IOWADrive 20FG5 plays · -8 yds · 1:1975% → 84%
Q3 3:35
3RD & 9
OPP 24
-9
25.3%
Spencer Petras sacked by Eyioma Uwazurike for a loss of 9 yards to the IowSt 33Similar
own 0own 2550opp 25opp 0
ISUDrive 21INT7 plays · 29 yds · 2:0320% → 20%
IOWADrive 22FG6 plays · 18 yds · 2:4588% → 93%
own 0own 2550opp 25opp 0
ISUDrive 23PUNT5 plays · 4 yds · 1:1810% → 8%
Q4 12:11
2ND & 10
OWN 25
+4
8.9%
Hunter Dekkers pass complete to Charlie Kolar for 4 yds to the IowSt 29Similar
Q4 11:25
4TH & 6
OWN 29
+7
8.0%
Corey Dunn punt for 38 yds , Charlie Jones returns for 7 yds to the Iowa 36 IOWA Penalty, Unsportsmanlike Conduct (Kyler Fisher) to the Iowa 25Similar
own 0own 2550opp 25opp 0
IOWADrive 24PUNT4 plays · 4 yds · 1:2794% → 95%
Q4 9:52
4TH & 6
OWN 29
+11
5.0%
Tory Taylor punt for 58 yds , Tarique Milton returns for 11 yds to the IowSt 24Similar
own 0own 2550opp 25opp 0
ISUDrive 25PUNT4 plays · 2 yds · 1:287% → 6%
Q4 9:06
3RD & 10
OWN 24
+2
6.2%
Hunter Dekkers pass complete to Jirehl Brock for 2 yds to the IowSt 26Similar
own 0own 2550opp 25opp 0
IOWADrive 26PUNT7 plays · 1 yds · 1:4596% → 98%
own 0own 2550opp 25opp 0
ISUDrive 27TD11 plays · 83 yds · 2:485% → 13%
Q4 6:05
2ND & 5
OWN 22
+23
5.0%
Hunter Dekkers pass complete to Daniel Jackson for 23 yds to the IowSt 45 for a 1ST downSimilar
Q4 5:02
2ND & 13
OWN 42
+10
3.5%
IOWA Penalty, Defensive Holding (Jack Koerner) to the Iowa 48 for a 1ST downSimilar
Q4 4:45
1ST & 10
OPP 48
+7
3.3%
Hunter Dekkers pass complete to Jaylin Noel for 7 yds to the Iowa 41Similar
Q4 4:16
2ND & 3
OPP 41
+9
3.5%
Hunter Dekkers pass complete to Tarique Milton for 9 yds to the Iowa 32 for a 1ST downSimilar
Q4 3:52
1ST & 10
OPP 32
+19
3.7%
Hunter Dekkers pass complete to Eli Sanders for 19 yds to the Iowa 13 for a 1ST downSimilar
Q4 3:27
1ST & 10
OPP 13
+13
12.6%
Hunter Dekkers pass complete to Tarique Milton for 13 yds for a TD (Connor Assalley KICK)Similar
own 0own 2550opp 25opp 0
IOWADrive 28PUNT6 plays · 6 yds · 1:3996% → 98%
own 0own 2550opp 25opp 0
ISUDrive 29MISSED FG8 plays · 52 yds · 1:064% → 6%
Q4 1:37
1ST & 10
OWN 20
+12
4.2%
Hunter Dekkers pass complete to Eli Sanders for 12 yds to the IowSt 32 for a 1ST downSimilar
Q4 1:15
1ST & 10
OWN 32
+5
3.9%
Hunter Dekkers pass complete to Charlie Kolar for 5 yds to the IowSt 37Similar
Q4 0:50
4TH & 5
OWN 37
+25
3.6%
Hunter Dekkers pass complete to Jaylin Noel for 10 yds to the Iowa 47 for a 1ST down IOWA Penalty, Personal Foul (Zach VanValkenburg) to the Iowa 38 for a 1ST downSimilar
Q4 0:35
2ND & 10
OPP 38
+10
4.3%
Hunter Dekkers pass complete to Eli Sanders for 10 yds to the Iowa 28 for a 1ST downSimilar
own 0own 2550opp 25opp 0
IOWADrive 30END OF 4TH QUARTER1 play · -1 yds · 0:0098% → 98%
own 0own 2550opp 25opp 0
Biggest swings
FUMBLE · Q3 5:08
Breece Hall run for no gain Breece Hall fumbled, forced by Jestin Jacobs, recovered by Iowa Jack Campbell , return for 6 yds (Caleb Shudak KICK)
-18.2
TD · Q2 0:07
Breece Hall run for 4 yds for a TD (Andrew Mevis KICK)
+12.6
TD · Q2 1:01
Spencer Petras pass complete to Charlie Jones for 26 yds for a TD (Caleb Shudak KICK)
-10.7