Jose Canseco: Mark McGwire, Tony La Russa lying about PEDs … The brothers are bashing each other.  —  Mark McGwire admitted Monday to using steroids during his career, but Jose Canseco contends his former “Bash Brother” from their days together in Oakland is not being entirely forthcoming about the matter.

Yank Signings and Damon Update  —  The Yankees have signed lefty reliever Royce Ring, and outfielders Reid Gorecki and David Winfree to minor-league contracts, the Post has learned.  Meanwhile, their chances to re-sign Johnny Damon remained remote.  —  The Yankees are telling agents …

Statement from MLBPA, Florida Marlins and MLB regarding Marlins' compliance with revenure sharing provisions of the Basic Agreement  —  The following joint statement was issued today by the Major League Baseball Players Association, the Office of the Commissioner of Baseball and the Florida Marlins:

Maddon on what Rays need, have, see  —  Manager Joe Maddon was in town and at Tropicana Field on Tuesday to watch the group of 22 top prospects participating in the team's first winter development program, and shared a few thoughts on what he saw and what's going on with the big-league team.

Castro returning to White Sox as backup  —  Catcher signs one-year deal with club option for 2011  —  Ramon Castro is headed back to Chicago to once again fill the backup catcher role for the White Sox.  —  The White Sox announced Tuesday that they have re-signed Castro to a one-year …

Del Rio will stay with Jags for 2010 season … After a profitable meeting with owner Wayne Weaver this morning in Jacksonville, Jaguars coach Jack Del Rio will stay in his current job for at least the 2010 season.  —  Del Rio, 58-57 in seven seasons at the helm, was thought to be on shaky ground with Weaver for a few reasons.

Chapman deal months in the making  —  Reds' approach focused on scouting, selling situation  —  CINCINNATI — Before their bold and surprising signing of Cuban pitcher Aroldis Chapman, the Reds didn't even garner a mention during the majority of the bidding process — at least not until the very end.

Leading The Discussion  —  In the last day, BP has posted two articles — one a quick Unfiltered post about Mark McGwire and his steroid confessions, another a longer statistical look at aging curves by an outside writer — that have had long, involved discussion threads.

Baseball Research Journal  —  Many of you who are members of SABR already know this, having received your copy of the latest issue of the Baseball Research Journal, and Matt Swartz is too modest to mention it, but a version of his series on home-field advantage was included as one of the more sabermetric pieces.

Lane Kiffin to leave Tennessee Volunteers for USC Trojans job … Tennessee's Lane Kiffin has been named the next head coach at Southern California, athletic director Mike Garrett announced on Tuesday.  —  Kiffin replaces Pete Carroll, who jumped to the NFL as coach of the Seattle Seahawks.

Sheets' cost tempers Cubs' interest  —  Club targeting right-handed relief at back of bullpen  —  CHICAGO — The Cubs will be among the teams watching Ben Sheets, but the right-hander's reported contract demands do not appear to fit into their budget.  —  Sheets, 31, who missed …

New York investment group leading effort to buy Astros  —  The out-of-town investment firm leading the effort to buy the Astros is Great Court Capital of New York, a person familiar with the negotiations confirmed today.  —  Astros owner Drayton McLane has granted exclusive negotiating rights …