BOSTON — Fenway Park, New England’s living room, celebrated being open for a century yesterday, and then had its emotional day ruined by the Yankees throwing a house party.
Following a tasteful pregame ceremony that included Red Sox greats Carlton Fisk, Pedro Martinez and Carl Yastrzemski — but thankfully not soiled by the outspoken Curt Schilling attending — Eric Chavez, Alex Rodriguez, Nick Swisher and Russell Martin punished Clay Buchholz with home runs on the way to a 6-2 victory witnessed by a disappointed gathering of 36,770.
Chavez homered twice, Rodriguez moved into fifth place on the all-time homer list with 631 and Derek Jeter advanced to 18th on the hit list with a fourth-inning single that hiked his total to 3,111.
Backed by the five-homer support, Ivan Nova improved to 3-0 and has won 15 straight games. He has not lost since June 10 of last season.
“If you ask me, ‘Who’s the best pitcher in the world?’ I say me,’’ said Nova, who allowed two runs and seven hits in six innings. He didn’t issue a walk for the second time in three outings and fanned five. “You have to believe it. That’s why you win so many games.’’
Of the 10 batters Nova faced with a runner in scoring position, only one got a hit.
David Ortiz accounted for one of the Red Sox runs with a homer that was initially ruled a double, but turned into a home run after the umpires watched a replay of the ball that cleared the Green Monster in left-center.
Buchholz is 1-1 after giving up six runs (five earned) and nine hits in six innings. He gave up all five homers.
“Overall, it was a very cool ceremony,’’ Rodriguez said of the pregame activity in which 200-plus former players, coaches and exiled manager Terry Francona participated. “But the game was good, too.’’
Alex Rodriguez (Charles Wenzelberg/New York Post)
The Yankees wore 1912 New York Highlander uniforms as part of Fenway Park’s 100th anniversary celebration. (Anthony J. Causi)
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Rodriguez, who drove in an unearned run in the first when the Yankees took advantage of Dustin Pedroia dropping a pop-up while battling a strong sun, homered leading off the fifth.
That blast, which cleared the seats above the Green Monster, pushed Rodriguez into fifth place on the all-time list. The four names ahead of him are Barry Bonds, Hank Aaron, Babe Ruth and Willie Mays.
“It means I am getting older,’’ Rodriguez said. “It’s humbling being mentioned with great names. The cool thing is that every game and every swing means something for our team. We have much bigger goals than the record books.’’
Mays is next at 660 and Rodriguez will get a $6 million bonus for tying him.
As for Jeter, he passed his boyhood idol Dave Winfield and is alone in 18th place on the all-time hits list.
“Everyone knows how I feel about Dave,’’ Jeter said. “He was my idol growing up. Having the opportunity to pass him is quite an honor.’’
The Yankees are 8-6 and the Red Sox fell to 4-9 with a fourth straight defeat.
Cory Wade followed Nova and hurled a scoreless seventh. With a four-run cushion, manager Joe Girardi called for David Robertson in the eighth to face Dustin Pedroia, Adrian Gonzalez and Ortiz.
Gonzalez singled with one out, but Ortiz’ lined to center and Kevin Youkilis whiffed.
Strangely, Girardi opted to use Cody Eppley to start the ninth but quickly called for Mariano Rivera when Jarrod Saltalamacchia singled.
Working in a non-save situation, Rivera recorded the final three outs.
“We wanted to give him some wiggle room,’’ Girardi said of using the all-time saves leader before a save situation surfaced. “And the wind was blowing out.’’
george.king@nypost.com