Cardboard cutouts of fans are seen on seats during an exhibition baseball game between the Los Angeles Dodgers and the Arizona Diamondbacks Sunday, July 19, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

New York Yankees designated hitter Giancarlo Stanton reacts after hitting a seventh inning solo home run in an exhibition baseball game against the New York Mets, Sunday, July 19, 2020, at Yankee Stadium in New York. (AP Photo/Kathy Willens)

Los Angeles Dodgers' Cody Bellinger (35) is met at home plate after hitting a grand slam during the first inning of an exhibition baseball game against the Arizona Diamondbacks Sunday, July 19, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

New York Mets relief pitcher Drew Smith (62) slips on the grass trying to reach an infield grounder hit by Thairo Estrada during the sixth inning of an exhibition baseball game against the New York Yankees, Sunday, July 19, 2020, at Yankee Stadium in New York. (AP Photo/Kathy Willens)

Arizona Diamondbacks starter Taylor Widener throws against the Los Angeles Dodgers during the first inning of an exhibition baseball game Sunday, July 19, 2020, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

New York Mets left fielder Dominic Smith (2) climbs the wall trying to reach New York Yankees Aaron Judge's second home run, a two-run blast, during the sixth inning of an exhibition baseball game, Sunday, July 19, 2020, at Yankee Stadium in New York. (AP Photo/Kathy Willens)

Toronto Blue Jays' Cavan Biggio, left, fist-bumps Anthony Alford, right, during batting practice at baseball summer training in Toronto, Sunday, July 19, 2020. (Cole Burston/The Canadian Press via AP)

Empty seats are viewed inside Rogers Centre during Toronto Blue Jays batting practice at baseball summer training in Toronto, Sunday, July 19, 2020. (Cole Burston/The Canadian Press via AP)