Tucson a special place to Hardy  —  Family and friends on hand to see hometown hero play  —  TUCSON, Ariz. — Compared to the newer, bigger ballparks that dot the Cactus League, 71-year-old Hi Corbett Field doesn't look like much.  But it's hallowed ground to the Hardy family.

Notes: Delgado back in NYC for MRI  —  First baseman's replacement, Anderson, collides with Church  —  PORT ST. LUCIE, Fla. — Deep depth, as Earl Weaver called it, is not what the Mets have at any infield position, particularly first base.  The absence of Carlos Delgado from camp Saturday morning …

SERBY'S SUNDAY Q&A WITH...  DUANER SANCHEZ  —  The Post's Steve Serby chatted with the Mets' righty reliever who starred in 2006 before suffering a right-shoulder separation in a taxi crash, then missed the entire 2007 season when he broke a bone in that shoulder during spring training.

Wang changes things up a bit  —  CLEARWATER, Fla. - Until Saturday, the only thing notable about Chien-Ming Wang's changeup was that it was the pitch that Ben Broussard whacked over the wall in the eighth inning at Yankee Stadium to spoil the righthander's bid for a perfect game last May 5.

Notes: Bochy unhappy with bad loss  —  Zito not too concerned about outing; Molina close to debut  —  SCOTTSDALE, Ariz. — Don't tell Bruce Bochy that the Giants' 23-5 exhibition loss Saturday to the Oakland A's was meaningless.  It was too embarrassing not to have some significance.

Marquis: Start me or trade me  —  TEMPE, Ariz. — Jason Marquis wants to be a starter in Chicago, but he'd just as soon move on if he's sent to the bullpen this spring.  —  Marquis, who is fighting for a rotation spot with Jon Lieber, allowed two runs on three hits in two innings against the Los Angeles Angels on Saturday.

Welcome To The Nation, Hank!  —  As you may already be aware, Yankees general partner Hank Steinbrenner popped off on Red Sox Nation to the New York Times Magazine, which comes out Sunday.  —  The money quote: “Red Sox Nation?  What a bunch of [expletive] that is.

The Florida Marlins Love Living on Welfare  —  Payroll for the Florida Marlins will increase from its ridiculously low levels, but not this year, and most likely not for a few years to come.  That's the word from owner Jeffrey Loria.  In fact, if you thought they were low last season …

Phenom blazing trail toward Shea  —  PORT ST. LUCIE - Five months after his 16th birthday, with a seven-figure signing bonus riding on his performance, Fernando Martinez stepped onto Field 7 at the Mets' complex during spring training in 2005, trying to impress the organization's top officials.

Schilling feels like 3rd wheel … FORT MYERS - Curt Schilling [stats] sat in the middle of the Red Sox [team stats] clubhouse yesterday, wearing Red Sox gear and joking with his Red Sox teammates.  The starter is even joining most everybody else in camp in preparing for the trip to Japan later this month.

A Catch That Caught Reggie Jackson's Eye  —  CLEARWATER, Fla. — The eighth inning ended Saturday with a low line drive to center field by the Philadelphia Phillies' Michael Cervenak.  The Yankee wearing No. 95 raced in and speared the ball, just above his shoe tops.

Harper: Duncan makes powerful statement for 1st dibs  —  CLEARWATER, Fla. - Joe Girardi is doing his managerial best to pump up Jason Giambi's confidence and sell anyone who will listen on the idea that Giambi can be the everyday first baseman in 2008.  —  Whether anyone is buying such a notion is another matter.

Exhibition roundup  —  Glavine nervous, Haren happy, Zito tagged in debuts  —  KISSIMMEE, Fla. (AP) — Tom Glavine was nervous, Dan Haren was happy — and Barry Zito was unable to finish the first inning.  Three big-name pitchers made their spring training debuts Saturday, with vastly different results.