[flintsilver7]

That’s like saying the sky is blue. It was obvious to everybody else on the planet. Him saying he blew it means almost nothing. What he really needs to do is do his part and get the league to award Armando Galarraga the perfect game he and the Tigers earned.

[whence911]

The significance is that umps don't usually do that. They tell you in school, don't admit to the miss. But this was a veteran ump stepping up and admitting it.

The game has gone this long without changing the oputcome of a game on a judgement call. Can only do it on the awarded protest of a misinterpretation of the rules.

ESPNews covering the game extensively.