Why the Utah Jazz Retired Mark Eaton's #53
Mark Eaton went from auto mechanic to two-time Defensive Player of the Year, setting the all-time single-season blocks record at 5.56 per game. Here is why #53 belongs in the rafters.

1982
Rookie Year
1993
Retired
The most prolific shot-blocker in NBA history on a per-game basis, Mark Eaton's 7-foot-4 frame and elite defensive instincts transformed the Utah Jazz's interior defense in the 1980s. His 5.56 blocks per game average in 1984-85 remains the all-time single-season record, and his defensive presence was so fundamental to Utah's identity that Jerry Sloan built entire defensive systems around him.
Off the Court
Mark Eaton went from auto mechanic to two-time Defensive Player of the Year, setting the all-time single-season blocks record at 5.56 per game. Here is why #53 belongs in the rafters.
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Seasons
1
Team
Utah Jazz
1982-1993
Significant business and civic involvement in Utah until his passing in 2021
Did You Know?
Did not play organized basketball until he was 21 years old — he was working as an auto mechanic when he was discovered playing pickup.
His journey from car mechanic to NBA All-Defensive First Team is one of the most improbable development stories in league history.
His 5.56 blocks per game in 1984-85 is the all-time single-season record and has never been seriously challenged.
After retirement, he became a prominent business executive in Utah and wrote a book about leadership principles derived from basketball.
Career Honors
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