In addition to the domestic league, Sporting CP participated in this season's editions of the Taça de Portugal, the Taça da Liga, the Supertaça Cândido de Oliveira and the UEFA Champions League.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: Liga Portugal The draw for the group stage was held on 26 August 2021.