Yankees closer Mariano Rivera comfortable in bullpen session, could return Sunday from groin injury  —  TORONTO - Mariano Rivera had “no problems at all” during a 16-pitch bullpen session, clearing the way for him to return to the mound as soon as Sunday.  —  Rivera felt soreness and tightness …

Mets in ‘foul’ territory  —  Meet the mess.  —  The Mets' new $850 million stadium is breaking down at about the same rate as its beleaguered lineup, the Post has learned.  —  Less than a season old, Citi Field has been plagued by water damage to several luxury suites — including Jerry Seinfeld's …

Unlike Shea, Ron Santo likes New York Mets' new park  —  At least it doesn't remind Chicago Cubs broadcaster of 1969  —  NEW YORK — Ron Santo's least-favorite destination in America was the now-obliterated Shea Stadium, for reasons most Cubs fans know by heart.

No shortage of options  —  If Sox don't stick with Gonzalez, then . . .  Alex Gonzalez has given the Red Sox stability at shortstop, which was the goal when they acquired him from the Reds Aug. 14.  At least for the remainder of the season.  —  “I've enjoyed being back here,” Gonzalez said.

D-Backs-Dodgers deal hits snag  —  D-Backs feel Dodgers did not act in good faith in swap sending Garland to LA  —  When the Diamondbacks agreed Monday to send pitcher Jon Garland and cash to the Los Angeles Dodgers for a player to be named, they expected that player to be Tony Abreu …

It's Andrew Miller time again for Florida Marlins  —  LHP Andrew Miller was called up today.  He said he expects to pitch as a long reliever out of the bullpen.  —  He was optioned to Class AAA New Orleans on July 20 before rolling his ankle on July 29.  —  “It's frustrating …

Aybar lifts Halos after Lackey's gem  —  Postseason-worthy duel dominates tight extra-innings win  —  KANSAS CITY — The Angels got a small dose of October baseball in the most unlikely of settings.  —  There was a pitchers' duel — an eight-inning staredown between John Lackey and Zack Greinke …

Scott Kazmir trade may help Tampa Bay Rays keep most of their players next year  —  ST. PETERSBURG — By getting rid of LHP Scott Kazmir this year, the Rays will be able to keep DH Pat Burrell, LF Carl Crawford and 1B Carlos Peña around next year.  —  That's the most basic interpretation …

Contreras' first effort helps Rockies beat Diamondbacks  —  DENVER (AP) — Even though he has pitched in the World Series before, Jose Contreras (FSY) confessed he was nervous before his first start for the Colorado Rockies.  —  He didn't look it once he took the mound.

Contreras strong-arms Rockies' win  —  At first glance, it seemed like an odd partnership.  The Rockies needed a starting pitcher, but did they need this one?  —  Jose Contreras has a wonderful resume, though no distinctions were added this season.  To acquire Contreras and his 13 losses …