Fans see 1st Nats exho from balcony; Harper HRs off Scherzer
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 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)

Jul. 18, 2020 08:12 PM EDT
Washington Nationals owner Mark Lerner wears a face mask as he sits in the stands during an exhibition baseball game against the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Washington Nationals owner Mark Lerner wears a face mask as he sits in the stands during an exhibition baseball game against the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Jul. 18, 2020 08:24 PM EDT
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)

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)

Jul. 18, 2020 08:25 PM EDT
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)

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)

Jul. 18, 2020 06:58 PM EDT
Washington Nationals manager Dave Martinez, third from right, and all the others in the dugout, wear a masks during an exhibition baseball game against the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Washington Nationals manager Dave Martinez, third from right, and all the others in the dugout, wear a masks during an exhibition baseball game against the Philadelphia Phillies at Nationals Park, Saturday, July 18, 2020, in Washington. (AP Photo/Alex Brandon)

Jul. 18, 2020 08:24 PM EDT
Philadelphia Phillies starting pitcher Aaron Nola throws 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)

Philadelphia Phillies starting pitcher Aaron Nola throws 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)

Jul. 18, 2020 06:49 PM EDT
A "2019 World Series Champions," sign is posted during a baseball training camp workout at Nationals Park, Wednesday, July 8, 2020, in Washington. (AP Photo/Alex Brandon)

A "2019 World Series Champions," sign is posted during a baseball training camp workout at Nationals Park, Wednesday, July 8, 2020, in Washington. (AP Photo/Alex Brandon)

Jul. 08, 2020 03:21 PM EDT
Philadelphia Phillies' Didi Gregorius celebrates as he rounds the bases for his three-run homer 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)

Philadelphia Phillies' Didi Gregorius celebrates as he rounds the bases for his three-run homer 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)

Jul. 18, 2020 06:46 PM EDT
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)

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)

Jul. 18, 2020 06:42 PM EDT
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)

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)

Jul. 18, 2020 06:42 PM EDT