Is Manny really an upgrade for ChiSox?  —  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.  —  Four quick thoughts on the White Sox's acquisition of Manny Ramirez.

Pena homers, Davis wins 6th straight for Rays  —  ST. PETERSBURG, Fla.—Carlos Pena homered and drove in four runs, Wade Davis won his sixth straight decision and the Tampa Bay Rays beat the Toronto Blue Jays 6-2 on Monday night.  —  Pena made it 5-1 with a three-run homer off Brett Cecil (11-7) in the third.

Cano, Yankees tag Cahill in 11-5 rout of Oakland  —  NEW YORK—Robinson Cano, Mark Teixeira and the New York Yankees tagged Trevor Cahill for the second time this season, emphatically ending the All-Star's run of pitching excellence in an 11-5 rout of the Oakland Athletics on Monday night.

Happ throws 2-hitter as Astros shut out Cards 3-0  —  HOUSTON—J.A. Happ threw a two-hitter and rookie Brett Wallace had a career-high three hits and drove in a run to help the Houston Astros beat the struggling St. Louis Cardinals 3-0 on Monday night.  —  It was another tough loss for the Cardinals …

Family says Rockies president McGregor died of virus  —  DENVER—The family of Colorado Rockies president Keli McGregor said he didn't die of a heart attack or other preventable cardiac condition but from a rare virus that attacked his healthy heart.  —  In a statement released through the team …

Derek Jeter Tries to Reverse Sub-Par Season  —  At 4:40 Monday afternoon, Derek Jeter bounced into the batting cage at Yankee Stadium with great energy and assumed an unusual position, standing in the left-handed batters' box instead of his usual right side.

Holliday, La Russa take exception to pitch  —  WASHINGTON — Tensions between the Nationals and Cardinals resumed on Sunday in Washington's 4-2 win, even though they never quite boiled over.  —  Cards outfielder Matt Holliday and manager Tony La Russa took exception to a ninth-inning Drew Storen fastball …

Rockies' CarGo wins NL Player of Week honors  —  Carlos Gonzalez.  (Andy Cross, The Denver Post)  —  SAN FRANCISCO — Carlos Gonzalez sat at his locker Sunday, explaining his success.  —  “I am not worried about numbers.  I just keep looking to help my team and play the game the right way,” Gonzalez said.

Edmonds leaning toward retirement  —  Jim Edmonds pulled up his shirt and showed off an ugly purple blotch on his right side, just above his hip.  It might be the mark of his last injury as a Major Leaguer.  —  Edmonds, placed on the 15-day disabled list by the Reds last week with a strained oblique …

Orlando Hernandez abruptly leaves the Harrisburg Senators, Washington Nationals  —  Orlando “El Duque” Hernandez shocked the Harrisburg Senators and Washington Nationals Sunday by deciding to prematurely end his baseball season.  —  The 44-year-old pitcher, a three-time World Series champion …

Matt Kemp's Struggles: A Statistical And Mechanical Analysis  —  Introduction  —  Matt Kemp is struggling in 2010, there's no real way around that.  Even more relevant to the discussion, he has fallen well below the expectations of the fans, which in turn has caused a greater than normal backlash against him.

Cincinnati Reds will recall Cuban defector Aroldis Chapman, add him to bullpen  —  CINCINNATI — Cuban defector Aroldis Chapman will be added to the Cincinnati Reds' bullpen for their playoff push.  —  The Reds plan to call up the hard-throwing lefty from Triple-A Louisville …

Ex-pitcher in bar brawl  —  WORCESTER — Former New York Yankee pitcher Tanyon Sturtze was involved in a fight inside a Water Street bar Saturday night.  —  Police said the Worcester-born right-hander was at The Perfect Game bar at 64 Water St. Around 11:32 p.m., police were called for a report of a fight.