[2] The Cubs clinched a playoff berth on September 22, 2020, when the Philadelphia Phillies were swept in a doubleheader.

[9] On March 12, 2020, MLB announced that because of the ongoing COVID-19 pandemic, the start of the regular season would be delayed by at least two weeks in addition to the remainder of spring training being cancelled.

[10] Four days later, it was announced that the start of the season would be pushed back indefinitely due to the recommendation made by the CDC to restrict events of more than 50 people for eight weeks.

[12] All Cubs games, except for those subject to national broadcasts (on Fox, TBS and ESPN), were aired on Marquee.

[12] Previously, Cubs games were split between NBC Sports Chicago, WGN-TV, and ABC 7.

[13] On the day of the scheduled start of the shortened season, Marquee announced an agreement with Comcast, who had more than one millions cable subscribers in the Chicago area and which represented half of the market share for the home television market, the day of the first game of the season.

[20] Former San Diego Padres manager Andy Green was hired as bench coach.

Infielders Coaches The Cubs hosted both games of the Wild Card series against the Miami Marlins.

It was announced that Kyle Hendricks would make the start for the Cubs in Game 1 of the series on September 30.

However, in the seventh, Hendricks gave up a three-run home run to Corey Dickerson to give the Marlins a 3–1 lead.

Jeremy Jeffress relieved Hendricks and promptly gave up a single and a home run to Jesús Aguilar to increase Marlin lead to 5–1.

[105] Darvish pitched six scoreless innings before allowing a homer to Garrett Cooper and a run-scoring single to Magneuris Sierra in the seventh to give the Marlins a 2–0 lead.

= Batting average; OBP = On base percentage; SLG = Slugging percentage (Final statistics) Note: W = Wins; L = Losses; ERA = Earned run average; G = Games pitched; GS = Games started; SV = Saves; IP = Innings pitched; H = Hits allowed; R = Runs allowed; ER = Earned runs allowed; BB = Walks allowed; K = Strikeouts On June 30, it was announced that the 160 minor league baseball teams' seasons were canceled due to the COVID-19 pandemic.