Yu Darvish— the Texas Rangers new $111 million dollar pitching import— seems to have a pretty good game off the field too. The 25 year-old hurler is reportedly dating a Japanese "G-Cup adult movie star" who is famous for her "electric tongue." The mop-topped free-spirit with a dyed goatee signed a six-year $60 million contract with the Rangers in January after the team bid another $51.7 million against other major league teams for the rights to his services. Darvish is the top-grossing celebrity in Japan where he generated $258 million in advertising revenue in January alone. That's like Derek, Peyton, LeBron and Kobe rolled into one big spokesmonster. Taking up with a porn star sounds like it fits right in with Darvish's radical life style. The two-time Pacific League MVP— who has an Iranian father and Japanese mom— posed nude for a women's magazine himself. According to sources, the financially secure Darvish has decided it's time to settle down— and who better than a woman who can use her tongue as a defi