The Champagne was flowing like grape juice. Actually, the Champagne WAS grape juice -- carbonated to make it more festive, but grape juice nonetheless -- because many of the celebrants were still underage. But the lack of punch in the punch did nothing to inhibit the party as the Brooklyn Cyclones toasted themselves and the dramatic come-from-behind win on Saturday night that gave them their division title over the hated Staten Island Yankees. "Tell the Yankees!" screamed Cyclones pitcher Luz Portobanco as he poured the bubbly all over the giddy mass of intertwined players. "We're a f---ing family here!" The win -- minus the Champagne, minus the importance in the standings -- was a flashback to the Cyclones' home opener just two months ago, a night when Mayor Giuliani, 8,000 fans and a back-riding monkey named History watched the Cyclones win the first professional baseball game in Brooklyn since 1957 in dramatic fashion when catcher Mike Jacobs's knocked in the winning run in the bottom of the 10th inning. And they said minor-league baseball wouldn't be exciting. It's hard to remember it now, but before even the first pitch was thrown, everyone from Brooklyn Borough President Howard Golden to implacable Dodger fans were derogating the Cyclones, complaining that a major-league city like Brooklyn deserved (although they pronounced it "desoived") a major-league team. Golden's boycott did little except deprive himself of a beautiful season in which the Cyclones sold out nearly all of their 38 home games and set a new New York-Penn League record for home attendance (just under 300,000) -- all the while delivering on an old Mets advertising promise, "Baseball like it oughta be" (which sure beats "Show up at Shea!"). (Cyclones playoff tickets go on sale this morning at 9 a.m. at the team's beachfront stadium. If you're not on line already, don't bother. People were already on line when yesterday's home finale ended at around 8 p.m.) Anyone who couldn't have predicted the team's success can only be accused of having his eyes shut or his mind closed. The recipe was as simple as a perfect Tuscan pasta dish: Take $38 million in public money, build a cathedral of baseball that makes Shea Stadium look like an airplane hanger, add a dash of nostalgia (Cyclone coaches include former Met stars Howard Johnson, Bobby Ojeda and Gary Carter), but not too much (parallels to the Brooklyn Dodgers, while inevitable from newspaper columnists, were downplayed by the team) and fold in some fresh-faced kids who run out ground balls and sign autographs until the umpires yell at them to take the field already. They built it and the public came -- and, like the mystical baseball movie from which that old cliche is stolen, the Cyclones even managed to ease some pain. One night at KeySpan Park, I met a man named Irwin Brandon, an inveterate Brooklynite and former Ebbet's Field ticket-taker, who had not seen a professional baseball game -- neither in person nor on TV -- since the Dodgers left Brooklyn after the 1957 season. "I was so furious at the evil [Dodger owner] Walter O'Malley that I vowed that professional baseball would not take a dime of my money ever again," Brandon said. Yet there he was, loving every minute of a recent Cyclones game. "This is fun," he said, "the way I remember baseball. But I still couldn't go to a major-league stadium." But on Saturday night, there was no such thing as major-league baseball to the season-high 8,178 fans who crowded into a stadium built for 7,500. And for Cyclones manager Edgar Alfonzo, the victory encouraged his own monkey to take a hike. Alfonzo spent most of the season being described as "the brother of Mets star Edgardo Alfonzo" -- as if the Mets second baseman, not his big brother, was the one enduring the 12-hour busrides, arguing with the sub-par minor-league umpires, eating leftover hot dogs after games, babysitting a bunch of 20-year-old kids, and, finally, securing a pennant. But inside that clubhouse on Saturday night, Edgar Alfonzo was breathing in a perfume that his younger brother won't get a whiff of for a while: the sweet smell of success. "Oh, man," said Alfonzo, as fake Champagne stung his eyes, "this feels great! I can't describe it." He didn't have to. It's not like Howard Golden was in the room or anything. --30-- email: gershny@yahoo.com