Tag: Dave Portnoy
![Rubin Portnoy](https://thesportsdaily.com/wp-content/uploads/2019/02/rubin-portnoy-555x280.png)
Sixers’ co-owner Michael Rubin reviews pizza with Celtics superfan, Dave Portnoy
Updated:Sixers’ co-owner Michael Rubin joins Boston Celtics superfan Dave Portnoy in New York for a pizza review. The Internet blogging…
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