Jason Giambi plays first base and designated hitter for the Cleveland Indians. In his MLB career, which began in 1995, he has also played for the Oakland Athletics, New York Yankees, and Colorado Rockies. Giambi was the American League MVP in 2000 while with the Athletics, and is a five-time All-Star who has led the American League in walks four times, in on-base percentage three times, and in doubles and in slugging percentage once each, and won the Silver Slugger award twice. Jason Giambi has hand signed this Rawlings Pro Blonde Bat with MVP 2000 inscription. Leaf Hologram and Certificate of Authenticity. If a product is unsigned or non game-used, a hologram will not be included Jason Giambi memorabilia. Cleveland Indians memorabilia