Blue Moon, which was born in the Sandlot Brewery at Coors Field in Denver, is changing is name – temporarily – back to Bellyside Wit.  That's Blue Moon's original name, a nod to the act of sliding onto base.

And it's partnering with another legend born out of a ballpark, Ebbets Field Flannels, to design the Bellyslide Wit packaging and an apparel collection featuring a throwback flannel baseball jersey, t-shirts and ballcaps and will be available for purchase by 21+ consumers while supplies last on the shopsite.

"We may be known for our roster of beers, but Blue Moon Brewing Co. was born out of a love for baseball," said Mara Schaefer, senior director of Above Premium Beer at Molson Coors Beverage Co. "Coming off the heels of Blue Moon's first ever Super Bowl ad, we wanted to celebrate the spirit of the sport that first made us shine. When looking for a partner to help us pay homage to our baseball origins, we wanted to work with a brand that was also rooted in a love for the sport. As an iconic sportswear brand best known for their field flannels and throwback jerseys, Ebbets was a natural fit."

From now through April 14 at 11:59 a.m. CT residents of select states can enter at www.Back2Bellyslide.com for a chance to win a free six-pack of Bellyslide Wit bottles to sip on or add to a baseball collection.