how is this play a push?

[Sirus73]

I don't get it.

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</td><td class="description">Single #240878190
Basketball - NBA Halftimes (2H) Point Spread
(518) Portland Trail Blazers -1 (-105) Jan 10/12@09:05p

Final Scores
Los Angeles Clippers 50
Portland Trail Blazers 51


Outcome: Push
Date settled: Jan 10, 2012 10:43:37 PM
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