Source: Youkilis' at-bat reaction led to dugout fight … BOSTON — The emotions from an on-field brawl in Thursday's Red Sox-Rays game may have brought a chemistry issue to light for the defending World Series champs.  —  Red Sox slugger Manny Ramirez and first baseman Kevin Youkilis …

Texas Rangers cut ties with Sidney Ponson  —  The latest from Evan Grant:  —  The Texas Rangers have cut ties with Sidney Ponson for what GM Jon Daniels called “disrespectful and adverse reactions to situations unbecoming of teammates.”  He has officially been designated for assignment.

Another Can't-Miss Prospect May Help Yankees Bullpen  —  NORWICH, Conn. — The ballpark here sits at the end of a winding industrial road, surrounded by trees, with no sense of place.  It rained all day Wednesday, and most of the 1,353 paying fans stayed home.  Kids were disappointed if they left with only one foul ball.

Draft Day Chat With Jim Callis  —  Q: … A:  —  Jim Callis: Hi, everyone.  Sorry I got tied up there for a moment but I'll make it up to you on the back end of the chat . . . To me, the story of the first day was that the best players went in the first round and that teams didn't let the tough signs after that drop forever.

Red hot Damon attributes mustache to his success  —  Johnny Damon gets congratulations from first base coach Tony Pena after his 3rd inning single as the NY Yankees played the Toronto Blue Jays at Yankee Stadium on Thursday, June 5, 2008.  (Newsday/ Paul J. Bereswill)  —  It must be the mustaches.

Iguchi heading to disabled list  —  Infielder separates right shoulder in spill on basepaths  —  SAN DIEGO — Second baseman Tadahito Iguchi suffered a separated right shoulder in the seventh inning of the Padres' 2-1 victory over the Mets at PETCO Park on Thursday night.

Bonds pleads not guilty to refiled federal charges  —  SAN FRANCISCO — Barry Bonds has pleaded not guilty to 15 federal charges of lying to a grand jury about his performance-enhancing drug use.  —  Bonds pleaded not guilty to similar accusations in December, but a judge ordered prosecutors …

Chipper plans to play a lot longer  —  Chipper Jones, who hit his 400th homer Thursday night and is batting .418 in early June, is enjoying a career resurgence — at age 36.  —  The Braves third baseman looks as if he might be able to play a while longer, and Jones said that's his intention.

Which team has the hotter fans: Cubs or Sox?  —  FROM SUN-TIMES STAFF REPORTS  —  Forget about who has the better team, that will be settled on the field — hopefully in late October.  We want to know who has the hotter fans — Cubs or Sox.  —  Send your nominations — male and female …

Message delivered to Rollins, team  —  Charlie Manuel has two commandments he asks his players to follow from the beginning of spring training in Clearwater, Fla., through the final game of the season, which he hopes comes in late October:  —  1. Be on time.  —  2. Hustle.

Corner infielders dominate atypical first round … Overview  —  This year's first round was unusual in a number of ways.  We had five college relievers taken, beating the previous record of three (set in 2003).  We also saw eight corner infielders taken and four catchers …