2025-26 Season

JAHMAI MASHACK

Memphis Grizzlies | Guard | 6-4

2025-26 Season

JAHMAI MASHACK

Memphis Grizzlies | Guard | 6-4 | Yr 0

5.7 PPG

2.2 RPG

1.3 APG

19.8 MPG

-3.4 Impact

Mashack produces at an below average rate for a 20-minute workload.

NET IMPACT BREAKDOWN

Every stat, every credit, every cost — per game average

-3.4

Scoring +2.4

Points 5.7 PPG × +1.00 = +5.7

Missed 2PT 1.8/g × -0.78 = -1.4

Missed 3PT 1.6/g × -0.87 = -1.4

Missed FT 0.5/g × -1.00 = -0.5

Creation +1.5

Assists 1.3/g × +0.50 = +0.7

Off. Rebounds 0.6/g × +1.26 = +0.8

Turnovers -2.3

Turnovers 1.2/g × -1.95 = -2.3

Defense +1.8

Steals 1.2/g × +2.30 = +2.8

Blocks 0.4/g × +0.90 = +0.4

Def. Rebounds 1.7/g × +0.30 = +0.5

Fouls Committed 2.5/g × -0.75 = -1.9

Hustle & Effort +3.1

Contested Shots 3.2/g × +0.20 = +0.6

Deflections 2.9/g × +0.65 = +1.9

Loose Balls 0.3/g × +0.60 = +0.2

Screen Assists 1.0/g × +0.30 = +0.3

Off. Fouls Drawn 0.0/g uncredited × +2.70 = +0.1

Raw Impact +6.5

Baseline (game-average expected) −9.9

Net Impact

-3.4

17th pctl vs Guards

About this model: Net Impact can't measure floor spacing, help defense rotations, or playmaking gravity — so wings and guards are slightly undervalued vs bigs. How Net Impact works

TEAM COMPARISON

#18

Impact

#20

Offense

Hustle

Defense

of 22 teammates (10+ games, 10+ min)

Zach Edey +7.7 Ty Jerome +5.4 Jock Landale +2.9 Santi Aldama +2.5 Jaren Jackson Jr. +2.4 Olivier-Maxence Prosper +2.0 John Konchar +1.1 GG Jackson +0.4 Cedric Coward +0.4 Javon Small +0.1 Scotty Pippen Jr. -0.2 Taylor Hendricks -0.2 Cam Spencer -0.4 Ja Morant -0.5 Jaylen Wells -1.6 Kentavious Caldwell-Pope -2.9 Vince Williams Jr. -3.4 Jahmai Mashack -4.2 Rayan Rupert -4.4 Tyler Burton -4.4 DeJon Jarreau -4.4 Walter Clayton Jr. -6.0

SKILL DNA

Percentile rank vs 235 Guards with 10+ games

Scoring 29th

6.9 PPG

Efficiency 8th

44.0% TS

Playmaking 27th

1.6 APG

Rebounding 44th

2.7 RPG

Rim Protection 82th

0.16/min

Hustle 91th

0.15/min

Shot Creation 50th

0% pullup

TO Discipline 38th

0.06/min

THE SEASON SO FAR

Jahmai Mashack’s early season was defined by a jarring tug-of-war between high-motor defensive value and crippling offensive hesitancy. He frequently sabotaged his own minutes by passing up open looks and destroying half-court spacing. This frustrating dynamic was glaringly obvious on 02/20 vs UTA. Despite scoring 11 points, he posted a dismal -5.7 impact score because empty possessions and spacing issues completely undid his otherwise fantastic defensive metrics. Conversely, he found ways to be highly effective without even looking at the rim. During the 02/04 vs SAC matchup, Mashack scored just 2 points but generated a +2.0 impact by abandoning his scoring role entirely to focus on lockdown defense and high-motor hustle plays. Unfortunately, when he lost that aggressive edge, the floor completely fell out from under him. A total offensive disappearing act on 02/21 vs MIA yielded a brutal -11.1 impact, highlighting exactly why his erratic assertiveness makes him such a volatile rotational gamble.

IMPACT TIMELINE

Game-by-game performance vs average. Green = above average, red = below.

Feb 21 | -11.2 impact

PATTERNS

Struggling. Mashack has posted negative impact in 79% of games this season. The production rarely outweighs the cost.

Streaky shooter — only cracks 45% from the field in 28% of games. Efficiency is all over the place night-to-night.

Defensive difference-maker. Mashack consistently forces tough shots and protects the rim — opponents shoot worse when he's guarding them.

Performance has dropped off. First-half impact: -0.9, second-half: -6.0. Worth watching whether it's fatigue, injury, or opponents adjusting.

In a rough stretch — 8 straight games with negative impact. Longest cold streak this season: 8 games.

MATCHUP HISTORY

Based on 35 games with tracking data. Shows who guarded this player on offense and who he guarded on defense, with their shooting stats in those matchups.