INCHEON, SOUTH KOREA - MAY 7: SK Wyverns' cheerleaders dance during a baseball game between SK Wyverns and Hanwha Eagles without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Players in action during a baseball game between SK Wyverns and Hanwha Eagles at SK Wyverns club's Happy Dream Ballpark without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Players in action during a baseball game between SK Wyverns and Hanwha Eagles at SK Wyverns club's Happy Dream Ballpark without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: An umpire wears a mask leads during a baseball game between SK Wyverns and Hanwha Eagles at SK Wyverns club's Happy Dream Ballpark without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: A player of Hanwha Eagles in action during a baseball game between SK Wyverns and Hanwha Eagles at SK Wyverns club's Happy Dream Ballpark without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Banners showing faces of fans are placed in the seating area of Happy Dream Ballpark during a baseball game between SK Wyverns and Hanwha Eagles as the game played without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Banners showing faces of fans are placed in the seating area of Happy Dream Ballpark during a baseball game between SK Wyverns and Hanwha Eagles as the game played without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Banners showing faces of fans are placed in the seating area of Happy Dream Ballpark during a baseball game between SK Wyverns and Hanwha Eagles as the game played without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Banners showing faces of fans are placed in the seating area of Happy Dream Ballpark during a baseball game between SK Wyverns and Hanwha Eagles as the game played without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Banners showing faces of fans are placed in the seating area of Happy Dream Ballpark during a baseball game between SK Wyverns and Hanwha Eagles as the game played without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Banners showing faces of fans are placed in the seating area of Happy Dream Ballpark during a baseball game between SK Wyverns and Hanwha Eagles as the game played without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )

INCHEON, SOUTH KOREA - MAY 7: Banners showing faces of fans are placed in the seating area of Happy Dream Ballpark during a baseball game between SK Wyverns and Hanwha Eagles as the game played without spectators due to the novel coronavirus (COVID-19) pandemic on May 7, 2020 in Incheon, South Korea. The Korean Baseball League (KBO) begin its new season under certain rules such as obligation of wearing masks and banning spectators from stadiums. ( Jong Hyun Kim - Anadolu Agency )