Warriors add Jahmai Mashack in biggest NBA trade ever. Who is he?

SAN FRANCISCO – As part of the first-ever seven-team trade, the Warriors added a third rookie from the 2025 NBA Draft to their roster.

In a swap that also included the Los Angeles Lakers, Houston Rockets, Atlanta Hawks, Brooklyn Nets, Minnesota Timberwolves, and Phoenix Suns, big names such as Kevin Durant and Jalen Green will switch teams.

The Warriors made the trade official on Sunday afternoon.

The Warriors will bring in Australian rookie Alex Toohey as expected once the draft-day deal that brought the No. 52 overall pick from Phoenix to the Bay Area is finalized. 

However, Rockets selection Jahmai Mashack, the last pick in the draft, has also been included. Who is Mashack, and what does he bring to the Warriors?

He is an athletic perimeter defender who joins a wing rotation that includes Brandin Podziemski, Moses Moody, Buddy Hield, Gui Santos, No. 56 overall pick Will Richard and possibly Gary Payton II.  

Here’s what to know about the California native and University of Tennessee-Knoxville alum.

Measurements: 6-foot-4, 192 pounds

Age: 22

Position: Shooting guard/Small Forward

Where is he from: Fontana, Calif.

High school: Etiwanda-Rancho Cucamonga

Statistics: 6.0 points, 4.2 rebounds, 1.5 assists, 1.7 steals per game on 45/34/72 shooting splits. 

Biography: Mashack was a decorated prep player, being named Cal-Hi Sports’ senior of the year in 2021. In Knoxville, he became arguably the best stopper in the country, being named to the SEC all-Defense team while winning the Field of 68 National Defensive Player of the Year award. Mashack helped Tennessee reach the Elite 8 in each of his last two seasons. 

Fun fact: Mashack overcame a battle with Guillain-Barré syndrome as a child. His father, Elton, is a firefighter and was a standout basketball player at Loyola Marymount from 1997-2001.