Injuries mount for Marlins' staff  —  Tankersley shut down 5-7 days; Johnson worries grow  —  JUPITER, Fla. — Some of the Marlins' most promising young pitchers have injury concerns.  —  On Wednesday night, the Marlins confirmed that reliever Taylor Tankersley has left shoulder inflammation …

Mets have aces up sleeve  —  No Zito, but plenty of good young arms  —  PORT ST. LUCIE - You could almost hear the zinger coming.  The more Oliver Perez struggled in the Mets' spring training opener yesterday, the louder the grumbling among the paying customers grew.

Marching orders a success  —  Tucson - Seeking more power, Todd Helton switched to a slightly heavier bat this spring.  It should come in handy in his new role as the Rockies' cleanup hitter.  Manager Clint Hurdle has flip-flopped Helton with Matt Holliday, leaving the all-star outfielder in the fifth spot.

Schilling in fine form for Sox in opener  —  FORT MYERS, Fla. — "He Ain't Heavy, He's My Stopper."  —  That's the tune citizens of Red Sox Nation could have been humming after Curt Schilling's two innings in the inaugural game of the 2007 spring training season last night.

Getting his groove back?  —  SURPRISE, Ariz. — All the progress Rangers pitcher John Koronka made as a rookie last season was just good enough to get him right back where he was a year ago.  —  Koronka became the Rangers' fifth starter after Adam Eaton was injured at the end of camp in 2006.

Wednesday's report  —  rdurrett@dallasnews.com  —  Fair or foul  —  Rundowns: (Fair)The Rangers worked extensively on rundowns on Wednesday as the infielders and catchers rotated so that players could work on where they needed to be to make the out.  —  Meeting: (Down the line) …

Luck, Leaps and Lapses  —  The recent writeup of John Beamer's on projections for some pitchers in 2007 led to an informal exchange between he and I over J.J. Putz and the merits of his improvement in 2007, and whether it was repeatable.  Unsurprisingly, most projection systems do not think so …

HITTING IT OFF  —  MR. OCTOBER SCHOOLS A-ROD IN CAGE, SEES MONSTER YEAR  —  Smooth and powerful swings sent the sound of thunder racing through the Legends Field batting cages yesterday, where a Hall of Famer was working with a future Cooperstown resident long after the Yankees' regular workout ended.

Cactus opener offers look at what Cubs have  —  MESA, Ariz. — After writing his opening Cubs lineup in cursive on a company envelope, Lou Piniella wandered outside his office Wednesday morning and handed it to a group of reporters.  —  If it winds up in Cooperstown, Piniella's role as miracle worker will be deemed a huge success.

Mets' Sanchez takes step in recovery  —  PORT ST. LUCIE, Fla. - Good news doesn't necessarily mean definitive news.  —  It doesn't for Mets reliever Duaner Sanchez, who took a significant step in his recovery from shoulder surgery when he threw from flat ground yesterday, but hedged about being ready for Opening Day.

Baseball Q&A with Dan Connolly … Michael, Boalsburg, Pa.: What is the key to developing a consistent flow of talent that keeps low-budget teams like the Oakland Athletics and Minnesota Twins competitive without breaking the bank?  —  Dan Connolly: Start with the top.

Selig Memo: MLB to Test Non-Players for Steroids, Drugs  —  A newly released and obtained 5-page memo from Commissioner Selig, outlining the breadth and width of attempts to eradicate steroid use in MLB, all personnel—players (Major and Minor League), non-players (Major and Minor League) …