W.Shott OF CLEVELAND

pitched a nine inning game without allowing a hit, or a walk, or a man to reach first, and his team made no errors.
Yet he lost 1-0
How?

Here are some possible answers.

http://www.forums.mlb.com/n/pfx/forum.aspx?tsn=1&nav=messages&webtag=ml-bluejays&tid=48174