Chicago Cubs starting pitcher Yu Darvish (elbow) left his rehab start after just one inning on Sunday after something happened in warmups in between innings. It's an ominous sign, but we won't know more until he undergoes tests. Darvish was finally making progress from an elbow injury that has kept him out since May 20. It's been an understatement to say that he's been a bust for the Cubs and fantasy owners in his first year in Chicago. Depending on the severity of his injury, Darvish may not b[...]