In the most surprising of turnarounds, Nick Martinez has gone from being out of contract to becoming the most successful pitcher on a four-time defending Japan Series champion to pitching for the United States in Saturday's Tokyo Olympic gold baseball medal game.The U.S. qualified for Saturday's final with a 7-2 win over defending champion South Korea on Thursday, when U.S. manager Mike Scioscia handed Martinez a gift for his 31st birthday, a starting assignment against the guys he plays with and plays against in Nippon Professional Baseball."Honored to have the ball. Excited for the game t…READ FULL ARTICLE