Red Sox sign Varitek for one year  —  The Red Sox have signed Jason Varitek to a one-year deal worth $2 million according to a baseball source.  The deal includes $300,000 in incentives that likely would be based on how often he plays.  —  It seems apparent now that the Red Sox are prepared …

Red Sox caught up in Russell Martin dealings  —  + Recent Articles + Recent Blog Entries + Email  —  Tonight's deadline to tender arbitration doesn't hold a great deal of suspense as far as Red Sox [team stats] players are concerned.  —  What happens with the Los Angeles Dodgers and catcher Russell Martin is another story.

Three teams show interest in Werth  —  At this time of year, markets shift quickly.  But right now, the Boston Red Sox, Philadelphia Phillies and Detroit Tigers are seen as the most serious suitors for free agent outfielder Jayson Werth, according to major-league sources.

Source: Jason Varitek back in Boston  —  Longtime Boston Red Sox captain Jason Varitek is returning to the team for another season despite interest from at least one other team, a baseball source told ESPN.com's Jerry Crasnick on Thursday.  —  The catcher will sign a one-year deal for $2 million …

Red Sox Re-Sign Jason Varitek  —  The Red Sox re-signed catcher Jason Varitek to a one-year, $2MM deal, tweets SI's Jon Heyman.  MLB.com's Peter Gammons adds that the deal has $300K in incentives.  —  Varitek, 39 in April, will return for a 15th season in Boston.

White Sox, Adam Dunn agree to 4-year, $56 million deal  —  Adam Dunn, the biggest slugger on the free-agent market, has agreed in principal to a four-year deal for $56 million with the White Sox, according to two officials involved in the contract talks who were not athorized to speak …

Chicago White Sox exercise option on Alexei Ramirez  —  The Chicago White Sox made it official Thursday, exercising the $2.75 million option on Alexei Ramirez, but the end of Bobby Jenks' career with the Sox may be near.  —  According to a source with knowledge of White Sox business …

The White Sox may get Adam Dunn AND Paul Konerko  —  Adam Dunn is all but done.  And talk about changing the balance of power, here's the latest tweet from Joe Cowley: … I have no idea if a team's players are the best source for this kind of thing, but one way they would know is if their buddy Konerko …

ChiSox pursuing options, mulling trades  —  Ken Rosenthal has been the senior baseball writer for FOXSports.com since Aug. 2005.  He appears weekly on MLB on FOX.  Follow him on Twitter.  —  Jon Paul Morosi  —  The Chicago White Sox agreed terms with free agent slugger Adam Dunn on a four-year …

Yankees Improve Their Offer to Jeter  —  The Yankees and Derek Jeter have moved at least a little closer to a deal, according to a person in baseball briefed on the status of the negotiations.  —  On Wednesday, Jeter's agent, Casey Close, and Yankees executives talked, and the Yankees improved their offer, the person said.