Alex Rodriguez played his first season in the MLB for the Mariners.
Alex Rodriguez . He played 22 seasons in Major League Baseball ( MLB ) for the Seattle Mariners , Texas Rangers , and New York Yankees . In 1996 , he became the Mariners ' starting shortstop and finished second in voting for the AL MVP Award . The Commissioner 's Historic Achievement Award is awarded by the Commissioner of Baseball to a group or person who has made a `` major impact on the sport '' of baseball .