FORMER MET ENJOYING GREEN-ER PASTURES  —  Shawn Green anticipated that it would happen.  Now it's a done deal.  —  The right fielder, who played with the Mets for the last year and a half and spent parts of 15 seasons in the majors, told The Post yesterday that he has retired.

Notes: Schneider learns from teammates  —  Beltran takes new catcher under his wing in training camp  —  LAKELAND, Fla. — Brian Schneider, who along with most Mets regulars didn't make the trip to Lakeland, used the more relaxed atmosphere back at Tradition Field to seek out some friendly hitting advice.

Rockies give closer Corpas four-year, $8M deal  —  Manny Corpas' clutch relief work as the Rockies' closer last year was a big reason they made it to the World Series.  Now, the team has rewarded him with the longest extension it has ever given a reliever.  —  The Rockies and Corpas agreed to a four-year, $8 million extension.

How Players View Drug Testing  —  Yesterday, AJC Braves beat writer David O'Brien featured an interview with Chipper Jones and Tom Glavine about blood testing for human growth hormone in baseball.  I don't want to get sidetracked by the fact that it would be a total waste of resources to test for HGH …

MLB might punish Mets over thin traveling squad … The Mets could be in hot water with the commissioner's office over the traveling squad they took to Lakeland for their spring-training opener Wednesday.  —  Just the day before, MLB's executive vice president for baseball operations …

Say No to Johan  —  WHY RED SOX AND YANKEE FANS ARE HAPPY THEY WON'T BE ROOTING FOR THE BEST PITCHER IN BASEBALL.  —  You'd think Yankee and Red Sox fans would be upset about losing Johan Santana to the Mets.  After all, he's the best pitcher in the known universe—and left-handed!

FBI opens probe of whether Clemens was truthful  —  WASHINGTON — The FBI has opened an investigation into whether baseball great Roger Clemens lied to Congress when he denied taking steroids or other performance-enhancing drugs.  —  Law enforcement officials said the inquiry will focus …

How cold was it?  —  FORT MYERS - For Terry Francona and David Ortiz, the coolest part - make that the coldest - part of yesterday's Red Sox visit to Washington came on the road.  —  “I froze my (expletive deleted) (body parts) off,” said Ortiz of his ride in the sidecar of the lead motorcycle escort …

For the 2008 Yankees, It's a Question of Age  —  Armed and dangerous?  Philip Hughes, Chien-Ming Wang and Joba Chamberlain.  —  Any time a team returns a lineup intact that scored 968 runs, as the New York Yankees did in 2007, chances are that team will excel again the following year.

Facing the Facts on Clemens  —  A lot has changed since I started writing my first book, “Facing Clemens.”  What was meant to be a fairly cut and dry baseball book about what it's like for a hitter to try and ply their craft against the Rocket over the course of his career has obviously turned into much, much more.

Reyes determined to stay focused  —  All-Star shortstop ready to put September slump in the past  —  PORT ST. LUCIE, Fla. — Bounding through a packed Tradition Field clubhouse late last week, Jose Reyes was brimming with energy.  Typical.  So he whisked a television microphone away …

Cards cut Spiezio over DUI case  —  JUPITER, FLA. — The Cardinals abruptly released utility infielder Scott Spiezio on Wednesday afternoon, after learning that a California court had issued a warrant for his arrest on six misdemeanor counts ranging from aggravated assault to driving under the influence.