Marwin Gonzalez appears to be a hot commodity in this free-agent market, and the people who have watched him play or called him a teammate these last seven seasons with the Astros couldn’t be happier about that. They’re not happy that he may have played his last game for Houston, but they’re thrilled for Gonzalez, who has made himself a terrific player with hard work and smarts and a relentless will to succeed.