Skip to content
Draft Sickos
Back to the 2023 class
Retrospective scouting report · Class of 2023Consensus #076
LB· Round 3

Marte
Mapu.

Marte Mapu
Sickos Grade
62.6/100
Pre-draft #76

Sacramento State official athletic logoSacramento State· 6'3"· 217 lb

R3 · #76 · New England Patriots

"The label was the problem, not the player: three coaching staffs asked Mapu to be a safety, a nickel and a linebacker, and only the year they let him settle produced tape that looked like a third-round pick."Pre-draft read

01Play style

Mapu was Sacramento State's eraser, a 6-3 defender who lived at nickelback and in the deep half but was trusted to walk into the box on early downs. His best mechanic was his eyes: he read the guard, triggered before the back's second step, and finished as a run-through tackler rather than a drag-down grabber.

The secondary trait was ball production from off-coverage. Playing zone match, he squatted on stems and broke on throws for seven career interceptions and 10 breakups in 2021. Against the run he was a fill player who took on blocks with his hands, not his frame. The signature was positional elasticity — same player, three alignments, no drop in assignment discipline.

02Scheme fit
Ideal system

Nickel-first Cover-3 match or quarters defense that treats him as a positionless sub-package chess piece rather than a stack linebacker.

Big nickelStrong safetyDime linebackerBox overhangPunt personal protector
Best role

Year 1: sub-package overhang covering tight ends and backs plus a core special teams job. Ceiling: full-time big-nickel starter who plays 70% of snaps in a five-DB base.

Wrong fit

Downhill 4-3 that stations him at Mike and asks him to stack and shed a pulling guard on 30 snaps of two-back football.

The three years in New England were a live experiment in what happens when the scheme keeps changing under a player whose value is scheme-specific.

03Film room

HARD HITTER | Sacramento State LB Marte Mapu Highlights

College film reel: downhill triggers from the nickel, run-through finishes and range on the back end.

Marte Mapu - 2024 Season Highlights - New England Patriots

His only extended defensive run: nine starts at strong safety, six breakups and three forced fumbles.

Marte Mapu (2025) Highlights

Final Patriots season as a sub-package linebacker and punt-team personal protector before the trade to Houston.

04The evaluation

A one-man matchup answer at the FCS level, Mapu spent four seasons proving the label mattered less than the job. He redshirted in 2017, played hurt in 2018, started at strong safety in 2019, moved to full-time nickelback in 2021 and closed 2022 as Big Sky Defensive Player of the Year and a first-team FCS All-American.

The production backed the tape: 65 tackles, four interceptions and 10 breakups in 2021, then 76 tackles, 6.5 for loss and two picks in 13 games for an undefeated Hornets regular season. The flags were real too — the level of competition, heavy feet when forced to redirect in space, and a torn pectoral suffered bench pressing in February that required surgery and left him without a single tested number. He never received a combine invite.

Boards split him across two positions and settled on Day 2, with several evaluators calling him the best value in the class if the medical cleared. New England took him 76th with a specific idea: a nickel-era hybrid who could carry tight ends, blitz off the box edge and cover kicks immediately. It was a projection on traits and football character, not a plug-and-play pick.

05Strengths
  1. 01

    Trigger and diagnosis

    Reads run-pass keys off the guard and gets downhill before the back reaches the second level, a rare processing clock for a small-school defender.

  2. 02

    Alignment flexibility

    Logged real snaps at strong safety, nickelback and off-ball linebacker, and never showed assignment slippage when the defense moved him mid-series.

  3. 03

    Ball production

    Seven career interceptions and 10 pass breakups in 2021 alone, all created by squatting routes in zone match rather than by tipped-ball luck.

  4. 04

    Finishing pop

    Runs through the ball carrier's hip rather than grabbing cloth, and delivered contact that consistently stalled feet at the line of scrimmage.

  5. 05

    Special teams value

    Multi-phase core contributor with a blocked kick in 2022, the profile that guarantees an active roster spot while the defensive role is being sorted.

06Concerns
  1. 01

    Pursuit speed

    Heavy feet appear once he has to redirect laterally across the formation; ball carriers who force a second angle change can beat him to the perimeter.

  2. 02

    Take-on strength

    Wins with hands and leverage rather than mass, and a real guard on the move can wash him out of a gap instead of being stacked and shed.

  3. 03

    Level of competition

    Big Sky offenses rarely stressed him with NFL-caliber route concepts or tight end play, so the coverage projection carried unusual variance.

  4. 04

    No tested athleticism

    A torn pectoral in February wiped out all pre-draft testing, leaving teams with zero verified speed or explosion data on a projection player.

08College production
YrTeamGTklSkIntPDFF
2018Sacramento State560000
2019Sacramento State11180100
2021Sacramento State126504100
2022Sacramento State13761241
Career411651700

Sacramento State is FCS, so cfbstats.com carries no page for Mapu; season lines come from the official Sacramento State player bio, cross-checked against the NFL Draft Bible profile and the Boston Globe draft-night report. Redshirted 2017; the 2020 Big Sky season was canceled by COVID-19, so neither year is listed. Season tackles (6 + 18 + 65 + 76) sum to the 165 career total. Tackles for loss are credited only where a source states them, so the 13.0 career figure covers 2019-2022; 2018 TFL, sacks and pass breakups outside 2021-2022 were never published and are left blank rather than zeroed.

A dash means the figure is not published by a source we trust — never a zero we invented.

09Pro comparisons
/ Likely outcome
Kyle DuggerNew England Patriots

Long, physical strong safety who covers tight ends and tackles downhill, but needs the defense to protect him from lateral chase in space.

/ Ceiling
Jabrill PeppersNew England Patriots

Same hybrid box-safety archetype whose value spikes when a staff commits to a defined big-nickel role instead of rotating him between jobs.

/ Floor
Brandon KingNew England Patriots

The floor outcome for a hybrid without tested speed: a valued four-phase special teams core player whose defensive snaps stay incidental.

10In hindsight

Everything above is the pre-draft evaluation. This section is what actually happened — updated year over year.

Pro Bowls
0
All-Pro
0
Seasons
3
Career AV

Three seasons in New England across three coaching staffs produced 44 games, 10 starts, 89 tackles, three interceptions and five forced fumbles, with core special teams value throughout. Traded to Houston in April 2026, then waived/injured in August and reverted to the Texans injured reserve list.

New England used him the way it drafted him — as an idea. The pec limited his rookie offseason and he opened 2023 mostly on teams, 17 games with one start and an interception. Under a new staff in 2024 he got the closest thing to a real job, starting nine of 10 appearances at strong safety with 46 tackles, six breakups, a pick and three forced fumbles before injury ended the run. A third head coach arrived in 2025, moved him back to full-time linebacker and played him on roughly 12 percent of defensive snaps; he answered with 13 tackles, an interception and 12 special teams stops as the punt team's personal protector. New England traded him and a 2027 seventh to Houston in April 2026; he was waived/injured in August, went unclaimed and reverted to the Texans' injured reserve.

In hindsight the pick was defensible and the execution was not. Three staffs in three years asked him to be three different players, and the one season he settled at safety produced his best defensive tape. His floor was always the special teams core and he delivered it. The ceiling required a coordinator willing to build a package around a 230-pound hybrid rather than squeeze him into a conventional linebacker's job description. At 26, healthy, with three-phase value, the book is not closed — but the third-round bet on a defensive starter has not cashed.

Data note: Sacramento State is FCS, so cfbstats.com carries no page for Mapu; season lines come from the official Sacramento State player bio, cross-checked against the NFL Draft Bible profile and the Boston Globe draft-night report. Redshirted 2017; the 2020 Big Sky season was canceled by COVID-19, so neither year is listed. Season tackles (6 + 18 + 65 + 76) sum to the 165 career total. Tackles for loss are credited only where a source states them, so the 13.0 career figure covers 2019-2022; 2018 TFL, sacks and pass breakups outside 2021-2022 were never published and are left blank rather than zeroed.

Draft Sickos · retrospective scouting profile