The Washington Nationals will announce an eight-year, $50 million extension with catcher Keibert Ruiz on Saturday, according to a source familiar with the terms. Ruiz was under club control for five more seasons, so this extension buys out those years, plus three years of free agency, keeping him in D.C. through at least 2030. He becomes the first players in Nationals history to agree to a long deal before reaching arbitration. Ruiz was a centerpiece of the trade that sent Max Scherzer and ...