As with Cesc Fabregas, some players who go and play for foreign clubs improve on a cultural level. It makes them grow on many levels; intellectually, because you have to learn a new language and adapt to another culture, and on a footballing level too.
Yes, I was in that game where George Brett hit that home run. Billy saw there was too much pine tar on the bat and he went to the umpire, the next thing we knew they were fighting about it.