Major League Baseball wants to renegotiate the posting system with Nippon Professional Baseball before the highly anticipated move of the Nippon Ham Fighters' two-way star Shohei Otani, which could be as early as this offseason, according to sources with knowledge of the agreement Thursday.MLB and NPB had until Thursday U.S. time -- 180 days before the Oct. 31 expiration date of the agreement -- to demand a renegotiation of the existing posting system, which has been in effect since 2013.Under the current system, any major league team willing to pay a maximum fee of $20 million to an NPB te…READ FULL ARTICLE