Out there… Greenwich restaurateur Ron Rosa, proprietor of the popular Polpo restaurant in Greenwich, is opening a second restaurant in Greenwich called The Lion at the former location of Centro at The Mill in Glenville. The 4,000-square-foot space will be designed by renowned restaurant architect and designer Jay Haverson. It is scheduled to open this summer. Polpo is a big spot for hedge-funders and celebrities, including Mets owner Steven Cohen; Greenwich resident and former Mets COO Jeff Wilpon; LA Dodgers co-owner Todd Boehly; former President Bill Clinton of Chappaqua, N.Y.; and Greenwich residents and TV personalities Judge Judy Sheindlin and Judge Jerry Sheindlin. A native New Yorker, Rosa made his name from his Italian restaurants Campagnola on the Upper East Side and Ecco in Tribeca.