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Case file

David Blitzer

Wikipedia's first sentence called it “partial owner of the new jersey devils of the national hockey league”. Today it says “american investor and sports team owner”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2025 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2025

American investor and sports team owner (born 1969) For the economist, see David M. David Scott Blitzer (born September 7, 1969) is an American investor and sports team owner. Blitzer is the chairman of the private equity firm Blackstone 's tactical opportunities division and managing partner of the New Jersey Devils ice hockey team and the Philadelphia 76ers basketball team. He additionally owns several association football clubs under Global Football Holdings and holds minority stakes in the Cleveland Guardians baseball team and the Washington Commanders American football team. Blitzer is the first person to own team equity in five major professional sports leagues of the U.S. Blitzer graduated from the Wharton School of the University of Pennsylvania . He joined Blackstone in 1991, where he served as the firm's global head of tactical opportunities from 2012 until transitioning to chairman in 2024. He and Apollo Global Management co-founder Josh Harris are frequent partners, with the pair entering sports business together in 2011 and establishing Harris Blitzer Sports & Entertainment in 2017. Blitzer has an estimated net worth of $3.6 billion as of 2025 .

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1298284704.
Today
Wikipedia's first sentence called it “partial owner of the new jersey devils of the national hockey league”. Today it says “american investor and sports team owner”. Read the current article and compare.
20152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since 2015, and today's defining sentence is their current revision.

Then

partial owner of the new jersey devils of the national hockey league

Now

american investor and sports team owner

Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.

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