ヨエニス・セスペデス
On December 11, 2014, the Tigers traded Porcello to the Boston Red Sox in exchange for Yoenis Céspedes, Alex Wilson, and Gabe Speier. On April 6, 2015, Porcello and the Red Sox agreed on a 4-year contract extension worth $82.5 million, including a $500,000 signing bonus.