John Mayer -- Vin Numb-Scully

3/28/2008 12:20 PM PDT BY TMZ STAFF
John Mayer might know a thing or two about women, but baseball is a whole other story.

The blogging wonder is in Japan this week and caught the Red Sox/A's game -- and videotaped his atrocious play-by-play efforts, which he blamed on Asahi. Whatevs.