Cubs don't fret over Zambrano threat  —  GM Hendry, Cubs' history suggest pitcher will stay  —  MESA, Ariz. — The Cubs aren't too worried Carlos Zambrano will carry through on his threat to walk after the season if he doesn't get a new deal by Opening Day.

Acta busy on first day  —  New manager excited as Spring Training kicks off season  —  VIERA, Fla. — Manny Acta walked into his dream job on Tuesday morning at Space Coast Stadium.  It marked his first day as manager of the Nationals.  He walked into his office around 9 ET and saw …

Devil Rays acquire Ryu from Cubs  —  Outfielder Lopez, right-hander Reinhard traded to Chicago  —  ST. PETERSBURG — The Devil Rays expanded the ranks of their starting pitching hopefuls Tuesday through a trade with the Cubs for right-hander Jae Kuk Ryu.  —  In exchange for Ryu …

Burning questions: NL East  —  As you may have noticed, we're in the midst of running down the Top 10 Burning Questions for each of MLB's six divisions.  We've already leveled our steely gaze on the AL East, and now we're culminating our East Coast bias by looking at the National League — wait for it — East.

Yankees bring back Villone  —  Left-handed reliever agrees to Minor League deal  —  TAMPA — The Yankees added one more arm to challenge for a spot in their bullpen mix on Tuesday, signing left-hander Ron Villone to a Minor League contract with an invitation to Spring Training.

Risk vs. Uncertainty  —  When we try to predict the outcome of a baseball season, whether as fans or pretend-general managers, there's a whole lot of stuff we just don't know.  In fact, if you want certainty, we don't know anything: any player in major league baseball could blow out his arm …

Pedro happy with progress  —  PORT ST. LUCIE, Fla. - When Pedro Martinez pulled back the sleeve of his T-shirt, there was hardly any trace of the Oct. 5 surgery to repair the inside of his damaged right shoulder.  Martinez said yesterday that the doctors needed to make 17 tiny holes …

Clubs improve to 4-0 in arbitration hearings  —  PHOENIX — Baseball teams improved to 4-0 in salary arbitration Tuesday when the Washington Nationals beat pitcher John Patterson and the Florida Marlins defeated reliever Kevin Gregg.  —  Patterson was awarded $850,000 by arbitrators Elliott Shriftman …

Phils players work out in Clearwater  —  Utley, Rowand report to Spring Training ahead of schedule  —  CLEARWATER, Fla. — The Phillies clubhouse at Bright House Networks experienced regular traffic Tuesday, despite the fact that no one was required to be there.

White Sox grab reins after empty-handed '06  —  Set to buckle down after failing to repeat  —  The changes will extend beyond the new faces arriving at Tucson Electric Park when the White Sox's pitchers and catchers open spring training Saturday in Arizona.

For Martínez and Sánchez, It's Good and Getting Better All the Time  —  One is celebrated for dashing through sprinklers and revitalizing a franchise.  The other is best recognized by his goggles.  —  One is not expected to throw from a mound for a few months.

Bullpen could be Braves' biggest strength  —  It wasn't any one factor that halted the Atlanta Braves' amazing streak of 14 consecutive division titles last year, but the failure of the team's bullpen has to be put at the top of the list.  —  "We didn't get to the playoffs last year …

O's quest to contend began in offseason … Most baseball pundits had graded the Orioles' offseason long before learning that starting pitcher Kris Benson would likely have rotator cuff surgery, leaving an already unproven rotation without one of its most reliable arms.

Liberty Media Plans Asset Swaps With CBS, Time Warner (Update4)  —  Feb. 13 (Bloomberg) — Liberty Media Corp., the company led by John Malone, agreed to sell stakes in Time Warner Inc. and CBS Corp. in exchange for more than $1 billion in cash and control of the Atlanta Braves baseball team.

Angels to rely on pitching over power  —  Stoneman wasn't willing to deplete a solid pitching staff to add a power hitter to the lineup.  —  TEMPE, Ariz. — Bill Stoneman didn't exactly lash out at critics who have howled for two years about his inability to acquire a big bat …