Hi,
baseball is alive and well in Germany.
In Cologne you have the Cardinals who have all sorts of teams just waiting for another arm.
http://www.colognecardinals.de/I am an AMerican and I just finished a season playing with the Bonn Capitals. I ahve not played baseball for 13 years and it was a blast.
www.capitals.deit is offseason now but check these sites out and any more questions then just email me.
These are all clubs and they accept anyone. They also have Bundesliga teams so you can also go and watch some ball - hotdogs and beer served!
Cheers,
Ole