Recently suspended minor league pitcher Gary Daley Jr. said he appealed his 50-game ban, but it has been denied. The 2003 Nevada Union graduate was made aware in mid-November that he tested positive for methylphenidate, a chemical used in the prescription drug Ritalin. He had been going through the appeal process up until his suspension was announced Friday by Major League Baseball. Daley Jr., who said he has a therapeutic use exemption for the prescription for Adderral, said he ran out of his prescription and borrowed a pill he believed to be the same as his from a teammate. “I …