Source: GIants to sign infielder Hall  —  The Giants, reacting swiftly to the loss of second baseman Freddy Sanchez, will sign free-agent infielder Bill Hall, according to a major-league source.  —  Giants at a glance  —  Sanchez dislocated his right shoulder Friday night while diving …

MLB talks switching NL team to AL, sources say  —  A simple form of realignment has been raised in the labor talks between Major League Baseball and the players' association, according to three sources: two leagues of 15 teams, rather than the current structure of 16 teams in the National League and 14 in the American League.

Mattheus promoted as Kimball lands on DL  —  SAN DIEGO — The Nationals selected the contract of right-hander Ryan Mattheus from Triple-A Syracuse and placed right-hander Cole Kimball on the 15-day disabled list with right shoulder inflammation.  —  Mattheus posted two saves …

Clay Buchholz, Jacoby Ellsbury lead Red Sox over Blue Jays  —  TORONTO - Clay Buchholz allowed three hits over seven innings, Jacoby Ellsbury [stats] went 3 for 5 with three runs scored and Boston beat the Toronto Blue Jays 5-1 on Friday night, the Red Sox [team stats]'s seventh straight win to match their season high.

Managers separated during Yanks-Indians melee  —  NEW YORK (AP) — Yankees manager Joe Girardi and Cleveland counterpart Manny Acta got into a face-to-face screaming match when both benches and bullpens emptied after Mark Teixeira was hit by a fastball from Indians starter Fausto Carmona.

Sizemore Helps A's Top White Sox, End 10-Game Skid  —  CHICAGO (AP) — One strike from their 11th consecutive loss, the Oakland Athletics showed interim manager Bob Melvin the desire to win is still there.  —  Scott Sizemore hit a go-ahead three-run double to rally the Oakland Athletics past the Chicago White Sox 7-5 Friday night.

Jake Arrieta, Nick Markakis carry Orioles past Rays 7-0  —  BALTIMORE - Nick Markakis broke a prolonged power slump with a grand slam and a two-run double, Jake Arrieta took a no-hitter into the sixth inning and the surging Baltimore Orioles beat the Tampa Bay Rays 7-0 Friday night.

Royals homer twice off Santana in win over Angels  —  ANAHEIM, Calif.—Jeff Francis survived a shaky sixth inning to get his first road victory of the season, left fielder Alex Gordon threw out a runner at home plate and the Kansas City Royals beat the Los Angeles Angels 4-2 Friday night.

Mets' Buffalo Pipeline Again Provides a Boost as Gee Remains Undefeated  —  PITTSBURGH — Dillon Gee made only two starts for the Class AAA Buffalo Bisons this year, one on April 7 and the other five days later.  Playing with Gee in those games were five men who also served as his teammates Friday night with the Mets.