Alex Rodriguez played for the Seahawks.
Alex Rodriguez . He played 22 seasons in Major League Baseball ( MLB ) for the Seattle Mariners , Texas Rangers , and New York Yankees . The Mariners selected Rodriguez first overall in the 1993 MLB draft , and he debuted in the major leagues the following year at the age of 18 . In 1996 , he became the Mariners ' starting shortstop and finished second in voting for the AL MVP Award .