Countdown to the season opener: Day 37 Mark Tuinei

We’re counting down to the season opener (Day 37) with some Cowboys history

We’re counting down the days until the Dallas Cowboys battle the Philadelphia Eagles in the season opener of the 2025 NFL season. To pass the time and mark the days, we are running through 100 Days of Cowboys. So sit back and enjoy some Cowboys history while we countdown to football.

Today – number 37.

Mark Tuinei

Born: March 31, 1960. Oceanside, California
Position: Offensive tackle
Dallas Cowboys: 1983-1997
Awards: Super Bowl champion- XXVII, XXVIII, XXX
Pro Bowl– 1994, 1995

Mark Tuinei played offensive tackle for the Dallas Cowboys from 1983 to 1997, spending his entire 15-year NFL career with the team. Originally a defensive lineman, Tuinei switched to offense early in his career and became a cornerstone of the Cowboys’ dominant offensive line during their 1990s dynasty. A two-time Pro Bowler, Tuinei helped protect Troy Aikman and clear lanes for Emmitt Smith, contributing to three Super Bowl championships. Respected for his toughness, consistency, and leadership, he was a key figure in one of the greatest eras in franchise history.

TUINEI’S LEGACY CARRIED ON BY WIFE, EXTENDED FAMILY#Cowboys great Mark Tuinei played 15 yrs for the team, winning 3 SBs and playing in two Pro Bowls.

Despite his passing in ’99, his wife Pono & multiple generations of Tuinei’s perpetuate his legacy. pic.twitter.com/1qLWbjx8nW

— Mike Leslie (@MikeLeslieWFAA) August 18, 2019

Sadly, in 1999, Tuinei was found unconscious in his car, and he was pronounced dead upon arrival at hospital. His death was attributed to an overdose and fellow players and fans were extremely shocked and saddened by the news. He left behind his wife and two children, but his memory lives on thanks to the legacy he created at Dallas.

March 31st: Former Cowboys offensive lineman the late #71 Mark Tuinei (1983-97) was born on this day in 1960. He died at the age of 39 in May of ‘99 from an accidental drug overdose. #80sCowboys #90sCowboys pic.twitter.com/nfrZS4oKrH

— Dallas Cowboys Old School (@CowboysOld) April 1, 2023

Best known for:
Tuinei was best known for being a mainstay on the Cowboys’ legendary offensive line, playing a vital role in the protection and run-blocking that powered the team’s Super Bowl success in the 1990s.

First thing I see upon entering Aloha Stadium — a picture honoring Mark Tuinei’s accomplishments with the Cowboys. pic.twitter.com/sFMTkKnwth

— Mike Leslie (@MikeLeslieWFAA) August 18, 2019

Lesser known fact:
Tuinei originally played defensive tackle at UCLA and the University of Hawaii before switching to offensive line with the Cowboys. His time playing on defense helped Tuinei understand defensive technique and alignment which helped him dominate the position for over 140 games at left tackle for Dallas, and become one of the longest-tenured linemen in team history.