Chicago Cubs right fielder Jason Heyward takes the field with a flag of Chicago before an opening day baseball game against the Milwaukee Brewers, Friday, July, 24, 2020, in Chicago. (AP Photo/David Banks)

Chicago Cubs starting pitcher Jon Lester, right, watches an opening day baseball game against the Milwaukee Brewers from the bleachers during the first inning, Friday, July, 24, 2020, in Chicago. (AP Photo/David Banks)

Chicago Cubs starting pitcher Kyle Hendricks throws the ball during the first inning against the Milwaukee Brewers during an opening day baseball game Friday, July, 24, 2020, in Chicago. (AP Photo/David Banks)

The Chicago Cubs and the Milwaukee Brewers stand for the national anthem before an opening day baseball game Friday, July, 24, 2020, in Chicago. (AP Photo/David Banks)

Chicago Cubs' Ian Happ, left, is greeted by Nico Hoerner, center, and Kris Bryant (17) after hitting a two-run home run against the Milwaukee Brewers during the third inning of an opening day baseball game Friday, July, 24, 2020, in Chicago. (AP Photo/David Banks)

Milwaukee Brewers starting pitcher Brandon Woodruff (53) throws the ball against the Chicago Cubs during the first inning of an opening day baseball game Friday, July, 24, 2020, in Chicago. (AP Photo/David Banks)