I have a 720p plasma from 2007 and have never had burn-in issues from a score bug. Again, just don't leave the TV on for 12 - 16 hours...
From your own link:
Basically, don't leave a persistent static image on your TV for something ridiculous like 12 hours and you'll be fine.
Alec Mills had five--five--swinging strikes in that no-hitter. Tied for fewest in a no-no with Dallas Braden, of all people.
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