2021 Major League Baseball season
[arz] دورى بيسبول الرئيسى 2021
[de] MLB 2021
[es] Temporada 2021 de las Grandes Ligas de Béisbol
[fi] Major League Baseball -kausi 2021
[fr] Ligue majeure de baseball 2021
[it] Major League Baseball 2021
[ja] 2021年のメジャーリーグベースボール
[ko] 2021년 메이저 리그 베이스볼 시즌
[nl] MLB Seizoen 2021
[ru] МЛБ в сезоне 2021