After the season , Darvish became a free agent for the first time in his career .
Shortly after the World Series , an unnamed Astros player suggested that Darvish had been tipping his pitches .
After the season , Darvish became a free agent for the first time in Darvish 's career .
Shortly after the World Series , an unnamed Astros player suggested that Darvish had been tipping his pitches .