The Orinoco Council #39 of the Knights of Columbus hosts annual “Throw Championship,” open to boys and girls 10 to 14 years old (as determined by their birth date as of Jan. 1, 2010), 6 p.m., Saturday, Jan. 23, Greenwich Catholic School gymnasium, 471 North St.; free; call Mike Nedder at 203-869-3880; \n mcnedder@gmail.com .