. . "Proving Ground"@en . . "ROH Proving Ground"@en . . "2008-01-11"^^ . . . "Proving Ground was a wrestling event promoted by Ring of Honor. It took place on January 11, 2008 in Boston, Massachusetts."@en . "Proving Ground was a wrestling event promoted by Ring of Honor. It took place on January 11, 2008 in Boston, Massachusetts."@en . . . . . . . .