There is always a buzz in the air when the Red Sox and Yankees square off, but it will be an extra-special affair Friday, on Fenway's 100th birthday.

Don Mattingly didn't need to see the replay of Wednesday night's game-ending play at the plate to decide that baseball needs instant replay for calls at home, especially game-ending ones.

Rockies shortstop Troy Tulowitzki admits that the problems that have led to six errors already this season, which matches last year's total, have crossed over from the physical to mental.

As anticipated, Giants closer Brian Wilson will undergo reconstructive surgery, commonly known as Tommy John surgery, to repair his right (throwing) elbow Thursday.

After roughly five months of negotiations, the Angels moved painstakingly close Wednesday to finalizing a four-year extension with shortstop Erick Aybar.

One day after getting a career-high four hits, Mariners first baseman Justin Smoak was sidelined Wednesday with tightness in his right hamstring.

Craig Nordquist was sitting at Yankee Stadium cheering for Joe Mauer and the Twins on Tuesday night when he saw a tweet from MLB Fan Cave Dweller Lindsay Guetzel. Seventeen hours later, he was sitting in a barber's chair at the Cave having his hair shampooed by the 2009 American League MVP.

The Bucs edged the D-backs, 2-1, in a Wednesday matinee in Chase Field, squaring their record in one-run games at 4-4. That's eight one-run games out of a total of 12.

Pitcher Chris Sale knows that there are high expectations placed upon him to develop into a solid starting pitcher. With those expectations, he acknowledges that he may be his own harshest critic.

Center fielder B.J. Upton, on the disabled list with back soreness, will likely rejoin the Rays on Friday, although manager Joe Maddon didn't rule out a return in Toronto.

The Tigers have decided to temporarily slow right-hander Doug Fister's rehabilitation program after Fister felt something in the abdomen area while throwing on Tuesday.

The Astros entered Wednesday in a 2-for-29 slump with runners in scoring position after going 0-for-6 in Tuesday's 1-0 loss to the Nationals.

Play on or give him a break? That is the decision the Brewers will make regarding slumping center fielder Nyjer Morgan.

Former Red Sox manager Terry Francona, who led the club to their only two World Series championships since 1918, has had a change of heart and will be on the field during pregame ceremonies on Friday to commemorate the 100th anniversary of Fenway Park.

Five days after suffering a subluxed (partially dislocated) right shoulder, center fielder Jacoby Ellsbury held court with the media. If you were expecting a downcast Ellsbury, you'd be wrong. If anything, he was optimistic and looking forward to his return to the lineup.

Nationals manager Davey Johnson didn't know if reliever Brad Lidge would be available for Tuesday's game against the Astros, because he had been dealing with vertigo for about a week.

The question posed to Cardinals manager Mike Matheny on Wednesday was a natural follow-up the day after Carlos Beltran connected for his team-leading fourth home run. Has he considered moving the six-time All-Star down in the lineup?