Sebastian Castro: DB · Iowa · #29.
Closest statistical matches, adjusted for opponent strength.
Sebastian Castro
Plays like an extra linebacker near the line. Fourth year in the same secondary at Iowa. That makes two straight seasons on the honors list: All-Big Ten again in 2024. One game to point at: 11 tackles against Nebraska — Week 14, 2024.
Play style
Lives near the line of scrimmage as a de facto extra linebacker.
Activity vs finishing · season enumeration
What the box score actually says
57 tackles. 1 pass defended. 1 interception. 3 TFL.
Counts only, never a rate — splash-event sample sizes this small (interceptions, pass breakups, TFL) are noise as a rate and signal only as a tally.
No outlet on our list has written about this player by name this season.
KCCI Oct 28
FOX 9 Minneapolis-St. Paul Oct 27Swipe the table sideways for more columns.
Game log · Week-by-week
2024 season · 12 games
Swipe the table sideways for more columns.
| Wk | Opp | TKL | SOLO | TFL | SACK | INT | PD | Note |
|---|---|---|---|---|---|---|---|---|
| Wk 1 | W 40-0vs Illinois State | 3 | 3 | 0.0 | 0.0 | — | 0 | |
| Wk 2 | L 19-20vs Iowa State | 5 | 5 | 0.0 | 0.0 | — | 0 | |
| Wk 3 | W 38-21vs Troy | 5 | 3 | 0.0 | 0.0 | — | 0 | |
| Wk 4 | W 31-14@ Minnesota | 4 | 2 | 0.0 | 0.0 | — | 1 | |
| Wk 6 | L 7-35@ No. 3 Ohio State | 6 | 3 | 1.0 | 0.0 | 1 | 0 | |
| Wk 7 | W 40-16vs Washington | 5 | 0 | 0.0 | 0.0 | — | 0 | |
| Wk 9 | W 40-14vs Northwestern | 4 | 3 | 0.0 | 0.0 | — | 0 | |
| Wk 10 | W 42-10vs Wisconsin | 3 | 2 | 0.0 | 0.0 | — | 0 | |
| Wk 11 | L 17-20@ UCLA | 7 | 6 | 2.0 | 0.0 | — | 0 | |
| Wk 13 | W 29-13@ Maryland | 3 | 3 | 0.0 | 0.0 | — | 0 | |
| Wk 14 | W 13-10vs Nebraska | 11 | 8 | 0.0 | 0.0 | — | 0 | Season-high 11 tackles |
 Bowl | L 24-27vs No. 23 Missouri | 1 | 1 | 0.0 | 0.0 | — | 0 | |
| Total | 57 | 39 | 3.0 | 0.0 | 1 | 1 |
Where his impact shows up on the stat sheet
PD rate
2%1 pass breakupsInterceptions
1interceptionsTackle volume
57tackles this seasonTFL rate
5%3 TFL57 tackles · 3 for loss · 1 pass breakup · 1 interception.
4 seasons under Kirk Ferentz — 36-18 over that span.
Splits · Per-game
2024 season · 12 games
Home vs Road
| TKL/g | TFL/g | SACK/g | PD/g | |
|---|---|---|---|---|
| Home7g | 5.1 | 0.0 | 0.0 | 0.0 |
| Road4g | 5.0 | 0.8 | 0.0 | 0.2 |
First half vs Second half
| TKL/g | TFL/g | SACK/g | PD/g | |
|---|---|---|---|---|
| Weeks 1-77g | 4.1 | 0.1 | 0.0 | 0.1 |
| Weeks 8+5g | 5.6 | 0.4 | 0.0 | 0.0 |
Supporting cast · Scheme
Staff and system around the player
Head Coach
Kirk Ferentz
Pass share
34.4%
260 pass / 496 run
Plays / game
58.2
13 games
Team sack rate
4.6%
263 dropbacks · PBP
Scheme: Run-heavy, slow tempo.
Player standing · 2024
Picked for an all-conference team by at least one selector.
Recognition
Production · CFB Zeitgeist Score
Three-star recruit. Now #235 at the position.
How it ended
Four seasons at Iowa, 159 tackles — the college career is complete.
Four or fewer games in the first season, then ten or more.
Trophy case · Confirmed honors
What the selectors said
ALL-BIG TEN
All-Big Ten mention (2024)
Weekly recognition
1 weekly honor (2023)
Big Ten Defensive Player of the Week
Coaching lineage · 2019–2024
1 coachPlayed every college season under Kirk Ferentz.
