. >> reporter: for ryan dew, baseball isn't only a passion.ion to his home in korea where baseball has exploded in popularity. >> baseball is -- it's one of the -- one of key sports that represent the united states. and along with our life between the united states and korea, i think that we basically naturally adopted that culture. and korea, you know, adopted to the sport as well. >> reporter: today, he leads the bay area's only korean baseball league. >> and every saturday, we sweat together, we laugh together and we run together on the baseball field. and my weekend job became, you know, nurturing and growing this baseball organization. at the same time, i never forgot how to, you know, enjoy the baseball itself as a sport. >> reporter: and one giants' rookie is adding to the league's popularity. korean outfielder jung hoo lee. >> you are sitting at the dugout, you know, people -- go out there and play. we talk about him, right? and that just -- that just unites us. >> reporter: the giants signed the korean star in december as one of the h