Polished-Up Fang
Goro's first face off as a member of the Japanese Representatives is against none other than Silva. Their interaction at the airport was only the beginning as a new rivalry is born from, but in order for Goro to be successful he must first pull Toshi out of the slump he has gotten stuck into and debut his gyrofork in front of a worldwide audience.
Aired 14/03/2009EP 10 - Polished-Up Fang

2009
Major S5
After the baseball season was over, Goro returned to Japan. There he learned from Toshi that there is going to be a Baseball World Cup the following year hosted in America.
(Source: AniDB)