Investigators into steroid use in baseball are seeking medical records from at least two of baseball's premier sluggers over the past dozen years, Sammy Sosa and Rafael Palmeiro, along with dozens of other players suspected of using performance-enhancing drugs, a baseball official with direct knowledge of the request told the

New York Times.

The investigators in the inquiry headed by former Sen. George J. Mitchell also have asked the Baltimore Orioles to send medical files relating to Jason Grimsley, David Segui and Fernando Tatis to those players, the official said. The players then will be asked to authorize their release to Mitchell, although they are believed to be unlikely to do so. The New York Daily News said baseball and the union agreed it's up to the players.

These are the first names to be definitively associated with the year-old Mitchell investigation. Grimsley's lawyer and Sosa, who played for the Orioles in 2005 and now plays for Texas, declined to comment; efforts to reach Segui, Tatis and Palmeiro's agent late yesterday were unsuccessful.

Other players under Mitchell's scrutiny have not been publicly identified.

Mitchell's staff has interviewed at least nine members of the Orioles' front office and training staff and searched at least six of their personal computers for evidence relating to performance-enhancing drugs, the official said.

Noteworthy

* Two days after signing a prorated $28 million contract with the pitching-starved New York Yankees, 44-year-old Roger Clemens worked out at the University of Kentucky. "The arm feels good," Clemens said.

* Two days after signing a prorated $28 million contract with the pitching-starved New York Yankees, 44-year-old Roger Clemens worked out at the University of Kentucky. "The arm feels good," Clemens said.

* Eric Gagne (hip) came off the disabled list and returned to his role as the Texas Rangers' closer.

Akinori Otsuka, who has four saves and a 1.54 ERA, will go back to his job as setup man. The Rangers optioned righthander Wes Littleton to Triple A Oklahoma.

* Angels reliever Justin Speier was placed on the 15-day disabled list for what the team said was a medical condition unrelated to baseball.

* Zack Greinke, who gave up three two-run homers in one inning Sunday in a loss to Detroit, has been dropped from the Kansas City rotation and will work out of the bullpen.

* The Tampa Bay Devil Rays added righthanders Chad Orvella and Tim Corcoran from Triple A Durham and sent righthander Ruddy Lugo to Durham.

In games last night:

* At Minneapolis, Justin Morneau hit a three-run homer in the 10th inning, his second blast of the night, to lift the Twins over the Chicago White Sox, 7-4.

* At Minneapolis, Justin Morneau hit a three-run homer in the 10th inning, his second blast of the night, to lift the Twins over the Chicago White Sox, 7-4.

* At Detroit, Omar Infante drove in a career-high four runs as the Tigers beat the Seattle Mariners, 9-7, for their eighth straight victory.

* At New York, Alex Rodriguez hit his first homer in 15 days and Derek Jeter drove in two runs as the Yankees beat Texas, 8-2.

* At Baltimore, the Orioles got home runs from Nick Markakis and Jay Gibbons in an 8-3 victory over Tampa Bay.

* At Kansas City, Chad Gaudin (2-1) struck out a career-high eight and Oakland defeated the Royals, 6-1.

* At Toronto, Josh Beckett (7-0) gave up a home run on his first pitch, then settled down to become the first seven-game winner in the majors as Boston beat the Blue Jays, 9-2.

* At Anaheim, Cliff Lee pitched a three-hitter as Cleveland defeated the Angels, 5-1, and improved to 20-10. *