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Diving into the D-Line in PRZIA 2029 Rankings Update

Diving into the D-Line in PRZIA 2029 Rankings Update
Cade Duffy
Rob Howe
Rob Howe August 16, 2026 @ 11:50 AM
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In this article:

Austin Limbaugh
Austin Limbaugh 6'4" | 210 lbs | EDGE/OL | 2029
IA
Braylon Jackson
Braylon Jackson 6'1" | 220 lbs | DL | 2029
IA
Kale Ploog
Kale Ploog 6'2" | 220 lbs | DL/OL | 2029
IA
Griffin Mohr
Griffin Mohr 6'3" | 255 lbs | DL/OL | 2029
IA
Cade Duffy
Cade Duffy
<!-- wp:paragraph --> <p><strong><em>Get 30% off your first billing cycle with code:&nbsp;howe30&nbsp;in the coupon code area</em></strong></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p><a href="https://prepredzone.com/2026/07/kickoff-26-x-factors-for-each-team-in-class-5-group-6/">Kickoff '26: Class 5A X-Factors</a></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p><a href="https://prepredzone.com/2026/08/kickoff-26-x-factors-for-each-team-in-class-4a-district-6/">Kickoff '26: Class 4A X-Factors</a></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p><a href="https://prepredzone.com/2026/08/kickoff-26-x-factors-for-each-team-in-class-3a-district-6/">Kickoff '26: Class 3A X-Factors</a></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>Prep Redzone Iowa kicked off its rankings updates by dropping a new rundown for the Class of 2029, which you can check out&nbsp;<a href="https://prepredzone.com/iowa/rankings/iowa-high-school-football-2029-class-player-rankings/"><strong>HERE</strong></a>. It was the second iteration in ranking this group and the first time there were numbers next to player names. The initial installment was a Watch List.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>We provided an overview of the new rankings, which you can read&nbsp;<a href="https://prepredzone.com/2026/08/closer-look-at-new-prz-iowa-2029-rankings-update/">HERE</a>. One of the biggest takeaways was it being so early in the football development process for all of these guys. That said, student-athletes that stand out early in their prep careers often stay on a positive trajectory and high in future ratings.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>In conjunction with the '29 update, I wanted to offer more insight into what we see from these individuals. A good way to attack it is by breaking them up by position.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>Previous Installments: </p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p><a href="https://prepredzone.com/2026/08/examining-o-linemen-in-29-przia-rankings-update/">OL</a></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p><a href="https://prepredzone.com/2026/08/quarterback-confidential-from-przia-29-update/" data-type="link" data-id="https://prepredzone.com/2026/08/quarterback-confidential-from-przia-29-update/">QB</a></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>Next up is defensive line.</p> <!-- /wp:paragraph --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["2120564"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-6a81e2e7b1f17"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">Limbaugh is 6-foot-4, 200 pounds heading into his sophomore season of high school. Speed, agility and athleticism with a projectable frame give Limbaugh uncommon upside. He reports running the 40-yard dash in 4.7 seconds and the 100 meters in an 11.83. There's a 32-inch vertical leap and 16 reps of 185 pounds on the bench press. Limbaugh got his feet wet on an experienced Clear Lake team ranked No. 1 in 3A for most of the season. Graduation losses create openings for playing time. Limbaugh has the ability to grab it and break out in 2026.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["1909587"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-6a81e6a417519"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">ADM has established itself as a factor in district races and producing prospects for the next level. Duffy is among the next in line with a ceiling higher than most. He laid the foundation for reaching great heights by recording 23.0 tackles, 6.5 tackles for loss and 4.5 sacks as a freshman in 2025. Duffy's <a href="https://www.hudl.com/video/3/20328756/69228c33776090401ccdf78d" data-type="link" data-id="https://www.hudl.com/video/3/20328756/69228c33776090401ccdf78d">highlight video</a> features advanced power for a ninth-grader. It's married to agility and athleticism in creating a difficult matchup. Another offseason developing and adding strength should lead to a sizable step forward this season. That's bad news for opponents on the ADM schedule. </p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["2119890"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-6a81e6a417561"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">Jackson established himself as a prospect of note last fall when the Des Moines Roosevelt freshman recorded 7.5 tackles, 3.5 tackles for loss, half a sack, a forced fumble and pair of fumble recoveries. The intriguing sophomore will be at Dowling Catholic this season, joining a program that's among the best in the state at developing talent. The coaches will be molding a unique athlete. Jackson is a three-time national champion in the javelin. He also recorded the top marks in the shot put and discus among Iowa's freshmen in Class 4A. Expect a leap forward in 2026 from Jackson, who has athleticism in his blood. His older sister, Arianna Jackson, will be an Iowa State basketball senior in the fall.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["1942262"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-6a81e6a417595"} --> <!-- wp:paragraph --> <p>Mohr has seen his stock rise on the recruiting trail after showing out on the college camp circuit this summer. It led to Iowa and Iowa State extending game-day invitations this season. The success in campus showcases followed a dominant freshman campaign for Coon Rapids-Bayard in 2025. Mohr managed 45 tackles, 14.0 tackles for loss, 8.5 sacks, a forced fumble and a defensive touchdown as a ninth-grader. That's not too shabby. Another offseason of training will make him that much harder to handle this fall. It's unusual strength potential and athleticism on a projectable frame.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block --> <!-- wp:acf/evaluation-block {"name":"acf/evaluation-block","data":{"player_evaluations_0_player":["2074548"],"_player_evaluations_0_player":"field_62ab9d62ecf2c","player_evaluations_0_override_profile_image":"","_player_evaluations_0_override_profile_image":"override-player-profile-image","player_evaluations_0_not_in_database":"","_player_evaluations_0_not_in_database":"field_62aba48cecf2d","player_evaluations":1,"_player_evaluations":"field_62aba7547dc44"},"mode":"preview","alignText":"left","anchor":"acf-block-6a81e6a4175c4"} --> <!-- wp:paragraph {"placeholder":"Add evaluation here...","className":"text-gray-700"} --> <p class="text-gray-700">Ploog proved to be a problem for Northeast opponents as a freshman in 2025. The disruptive defender accumulated 26.0 tackles, 4.5 tackles for loss and 2.5 sacks. He's poised to be even more impactful as a 10th-grader. A considerable amount of upside is revealed when watching his <a href="https://www.hudl.com/video/3/24286428/691f7e1ae77971cbdefadf97" data-type="link" data-id="https://www.hudl.com/video/3/24286428/691f7e1ae77971cbdefadf97">ninth-grade highlight video</a>. With a year of varsity ball under his belt along with a projectable frame, speed and agility, Ploog should continue separating from the competition. As he adds strength and sharpens technique, the youngster will continue realizing his prime-time potential.</p> <!-- /wp:paragraph --> <!-- /wp:acf/evaluation-block -->

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Austin Limbaugh

Austin Limbaugh

IA
EDGE/OL
HEIGHT 6'4"
WEIGHT 210
POS EDGE/OL
CLASS 2029
View Player
​
Austin
Limbaugh EDGE/OL
Class
2029
Height
6'4"
Weight
210
HS
Clear Lake
|
IA
Diving into the D-Line in PRZIA 2029 Rankings Update
Limbaugh is 6-foot-4, 200 pounds heading into his sophomore season of high school. Speed, agility and athleticism with...
Written by Rob Howe
Read more at PrepRedzone​.com
Prep Redzone

Austin Limbaugh

State: Iowa
School: Clear Lake
Subscribe below to view this player's evaluation

Highlights

Cade Duffy

Cade Duffy

POS N/A
CLASS
View Player
​
Cade
Duffy
Diving into the D-Line in PRZIA 2029 Rankings Update
ADM has established itself as a factor in district races and producing prospects for the next level. Duffy...
Written by Rob Howe
Read more at PrepRedzone​.com
Prep Redzone

Cade Duffy

Subscribe below to view this player's evaluation
Braylon Jackson

Braylon Jackson

IA
DL
HEIGHT 6'1"
WEIGHT 220
POS DL
CLASS 2029
View Player
​
Braylon
Jackson DL
Class
2029
Height
6'1"
Weight
220
HS
Dowling Catholic
|
IA
Diving into the D-Line in PRZIA 2029 Rankings Update
Jackson established himself as a prospect of note last fall when the Des Moines Roosevelt freshman recorded 7.5...
Written by Rob Howe
Read more at PrepRedzone​.com
Prep Redzone

Braylon Jackson

State: Iowa
School: Dowling Catholic
Subscribe below to view this player's evaluation

Highlights

Griffin Mohr

Griffin Mohr

IA
DL/OL
HEIGHT 6'3"
WEIGHT 255
POS DL/OL
CLASS 2029
View Player
​
Griffin
Mohr DL/OL
Class
2029
Height
6'3"
Weight
255
HS
Coon Rapids-Bayard
|
IA
Diving into the D-Line in PRZIA 2029 Rankings Update
Mohr has seen his stock rise on the recruiting trail after showing out on the college camp circuit...
Written by Rob Howe
Read more at PrepRedzone​.com
Prep Redzone

Griffin Mohr

State: Iowa
School: Coon Rapids-Bayard
Subscribe below to view this player's evaluation

Highlights

Kale Ploog

Kale Ploog

IA
DL/OL
HEIGHT 6'2"
WEIGHT 220
POS DL/OL
CLASS 2029
View Player
​
Kale
Ploog DL/OL
Class
2029
Height
6'2"
Weight
220
HS
Northeast
|
IA
Diving into the D-Line in PRZIA 2029 Rankings Update
Ploog proved to be a problem for Northeast opponents as a freshman in 2025. The disruptive defender accumulated...
Written by Rob Howe
Read more at PrepRedzone​.com
Prep Redzone

Kale Ploog

Twitter
State: Iowa
School: Northeast
Subscribe below to view this player's evaluation

Highlights

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