Washington Nationals' Juan Soto, left, celebrates after hitting a solo home run as Chicago Cubs catcher Willson Contreras looks to the field during the fifth inning of a baseball game in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)

Washington Nationals manager Dave Martinez, left, congratulates Juan Soto after Juan Soto hit a solo home run during the fifth inning of a baseball game against the Chicago Cubs in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)

Chicago Cubs starting pitcher Jake Arrieta, right, reacts as Washington Nationals' Juan Soto rounds the bases after hitting a solo home run during the fifth inning of a baseball game in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)

Chicago Cubs' Javier Baez celebrates after hitting a solo home run during the ninth inning of a baseball game against the Washington Nationals in Chicago, Wednesday, May 19, 2021. The Nationals won 4-3. (AP Photo/Nam Y. Huh)

Washington Nationals starting pitcher Max Scherzer adjusts his hat during the fifth inning of a baseball game against the Chicago Cubs in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)

Washington Nationals starting pitcher Max Scherzer throws against the Chicago Cubs during the first inning of a baseball game in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)

Washington Nationals starting pitcher Max Scherzer, left, talks with catcher Yan Gomes during the fifth inning of a baseball game against the Chicago Cubs in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)

Chicago Cubs' Willson Contreras reacts after striking out swinging during the fifth inning of a baseball game against the Washington Nationals in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)

Washington Nationals' Juan Soto rounds the bases after hitting a solo home run during the fifth inning of a baseball game against the Chicago Cubs in Chicago, Wednesday, May 19, 2021. (AP Photo/Nam Y. Huh)