Yes, they are brothers. Jason is the oldest.
Jason Giambi's birth name is Jason Gilbert Giambi.
Jeremy Giambi was born on September 30, 1974.
Jeremy Giambi was born on September 30, 1974.
Jason Giambi was born on January 8, 1971.
Jason Giambi was born on January 8, 1971.
Jeremy Giambi is 36 years old (birthdate: September 30, 1974).
Jason Giambi plays for the Cleveland Indians.
Jason Giambi is currently on the Colorado Rockies, but he did play for the Yankees.
MLB player Jason Giambi bats left.
Jason Giambi is number 25 on the Cleveland Indians.
Jeremy Giambi was born September 30, 1974, in San Jose, CA, USA.
MLB player Jason Giambi weighs 240 pounds.