Philadelphia Phillies' Didi Gregorius celebrates without touching, while wearing a mask, his three-run homer with Rhys Hoskins during the first inning of an exhibition baseball game against the Washington Nationals at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

New York Yankees' Clint Frazier, left, watches his two-run home run against the New York Mets during the fourth inning of a baseball spring training game Saturday, July 18, 2020, in New York. (AP Photo/Adam Hunger)

The umpires, wearing face masks, gather before an exhibition baseball game between the Washington Nationals and the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

New York Yankees general manager Brian Cashman, right, talks with New York Mets general manager Brodie Van Wagenen prior to their baseball teams spring training game Saturday, July 18, 2020, in New York. (AP Photo/Adam Hunger)

Washington Nationals shortstop Wilmer Difo stands ready while wearing a mask during the ninth inning of an exhibition baseball game against the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. The Phillies won 7-2. (AP Photo/Alex Brandon)

People watch from balconies of a building across the street during an exhibition baseball game between the Washington Nationals and the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

The grounds crew prepares the field before an exhibition baseball game between the Washington Nationals and the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Philadelphia Phillies' Bryce Harper celebrates his three-run homer during the second inning of an exhibition baseball game against the Washington Nationals at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Members of the Cleveland Indians line up for the national anthem before an exhibition baseball game against the Pittsburgh Pirates in Pittsburgh, Saturday, July 18, 2020. (AP Photo/Gene J. Puskar)

New York Yankees Gleyber Torres (25) hits an RBI single against the New York Mets during the first inning of a baseball spring training game Saturday, July 18, 2020, in New York. (AP Photo/Adam Hunger)

The stands are empty during an exhibition baseball game between the Washington Nationals and the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

The Cleveland Indians bat in the top of the first inning during an exhibition baseball game against the Pittsburgh Pirates at PNC Park in Pittsburgh, Saturday, July 18, 2020. (AP Photo/Gene J. Puskar)

Philadelphia Phillies left fielder Kyle Garlick can't catch a solo home run by Washington Nationals' Jake Noll during the ninth inning of an exhibition baseball game at Nationals Park, Saturday, July 18, 2020, in Washington. The Phillies won 7-2. (AP Photo/Alex Brandon)

The stands are empty during an exhibition baseball game between the Washington Nationals and the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Washington Nationals starting pitcher Max Scherzer throws during the first inning of an exhibition baseball game against the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Cleveland Indians' Francisco Lindor, center, gets his glove and cap from Cesar Hernandez (7) at the end of the first inning of an exhibition baseball game against the Pittsburgh Pirates in Pittsburgh, Saturday, July 18, 2020. (AP Photo/Gene J. Puskar)

New York Mets pitcher Edwin Diaz stands on the pitchers mound in between pitches against the New York Yankees during the ninth inning of a baseball spring training game Saturday, July 18, 2020, in New York. Major League Baseball is allowing teams to sell on-field ad space for the first time this season and the Mets are the first club to play a game with a logo painted on the mound. (AP Photo/Adam Hunger)