Roger Clemens is making yet another comeback with the Houston Astros, Newsday has learned. An announcement is expected as soon as today. Clemens, 43, has signed a one-year deal that is believed to be worth about $3.5 million per month, which will probably equate to about $10.5 million for the season, depending on when exactly he returns to action. After the Astros declined to offer him salary arbirtation last winter, they forefeited the right to re-sign him until May 1. But Clemens, who broke down physically at the end of last season, seemed intrigued by the idea of pitching only part of a season. Clemens makes his full-time home in Houston, and his son Koby is a prospect in the Astros' system. While he identified the Yankees, Red Sox and Rangers as other candidates for his services, the Astros seemed a strong favorite - over retirement, as well - these past few months.