Giambi debuted for Oakland in 1995, and he would show off exemplary hitting as an Athletic. From 1996 to 2001, he would never have less than 150 Hits and 20 Home Runs, with each season seemingly see him increase his offensive prowess. Giambi was an All-Star in 2000 and 2001 and was the American League MVP in 2000. That year, he would lead the American League in Walks (137) and On Base Percentage (.476), and he would bat .333.
The 2001 year would see Giambi put forth personal best in 47 Doubles, all aspects of the Slash Line (.342/477.660) and OPS+ (199). This was his second All-Star Game with Oakland, and he would be in three more with the New York Yankees.When Jason Giambi's career in Oakland was said in done, he would play 1,036 Games and have the illustrious 3/4/5 in the Slash Line with .300/.406/.531. That is an impressive feat, indeed!