Starting with the club's under 19's, Hamsik pulled off a meteoric rise through the ranks to make his Serie A debut in 2005 but gained little recognition as Brescia as Brescia failed to avoid relegation that year.
ເລີ່ມຈາກສະໂມສອນພາຍໃຕ້ 19 ຂອງ, Hamsik ໄດ້ຍົກເລີກການແຂ່ງຂັນໃນລະດັບສູງເພື່ອໃຫ້ Serie A debut ໃນ 2005 ແຕ່ໄດ້ຮັບການຍອມຮັບຫນ້ອຍທີ່ Brescia ເປັນ Brescia ລົ້ມເຫລວເພື່ອຫຼີກເວັ້ນການຫຼຸດລົງໃນປີນັ້ນ.