Which Yankees pitcher signed a nine-year, $324 million contract in December 2019?

Which Giants pitcher, nicknamed "The Freak," won back-to-back Cy Young Awards in 2008 and 2009? Which Dodgers pitcher won three Cy Young Awards (2011, 2013, 2014) and the 2014 NL MVP? Which Mets pitcher won back-to-back Cy Young Awards in 2018 and 2019? Which pitcher won three Cy Young Awards, with the Tigers and Astros, and threw three no-hitters? Which Mexican-born Dodgers pitcher caused "Fernandomania" in 1981? Which Hall of Fame pitcher was nicknamed "The Ryan Express"? Which Hall of Fame closer for the Padres was the first to reach 600 saves? Which closer was the first inducted unanimously into the Baseball Hall of Fame?