Baseball fans Mercury Hornbeek, left, and Steven Ames wait in line before the gates opened up before a baseball game between the Arizona Diamondbacks and the San Diego Padres Thursday, April 1, 2021, on opening day in San Diego. (AP Photo/Denis Poroy)

Los Angeles Dodgers fans Oliver Olson, left, of San Diego, Juan Campo and Rudy Soto, both of Los Angeles, hold up flags outside the main entrance to Coors Field as fans return for the first inning of a baseball game between the Dodgers and Colorado Rockies Thursday, April 1, 2021, in Denver. (AP Photo/David Zalubowski)

Philadelphia Phillies' fans bundle up to watch an opening day baseball game against the Atlanta Braves, Thursday, April 1, 2021, in Philadelphia. (AP Photo/Matt Slocum)

Baseball fans sit in social distance squares during a baseball game between the Arizona Diamondbacks and the San Diego Padres Thursday, April 1, 2021, on opening day in San Diego. (AP Photo/Denis Poroy)

Patty and Steve Smith watch the baseball game between the Detroit Tigers and the Cleveland Indians as snow falls, Thursday, April 1, 2021, in Detroit. (AP Photo/Carlos Osorio)

Baseball fans celebrate as the gates open up before a baseball game between the Arizona Diamondbacks and the San Diego Padres Thursday, April 1, 2021, on opening day in San Diego. (AP Photo/Denis Poroy)

Signs hang on the first-base gates of Coors Field as one of the steps to stop the spread of the coronavirus as fans return for the first inning of a baseball game between the Los Angeles Dodgers and the Colorado Rockies Thursday, April 1, 2021, in Denver. (AP Photo/David Zalubowski)

Spectators wait on a security line outside Yankee Stadium before an opening day baseball game against the Toronto Blue Jays, Thursday, April 1, 2021, in the Bronx borough of New York. Fans are back at the ballpark in limited numbers after they were shut out completely during the regular season last year due to the COVID-19 pandemic.(AP Photo/John Minchillo)

Snow falls on a statue of Pittsburgh Pirates baseball Hall of Famer Willie Stargell, outside PNC Park on Pittsburgh's Northside, Thursday, April 1, 2021. The Pirates open the season in Chicago today against the Chicago Cubs. The Pirates' home opener is April 8, against the Chicago Cubs. (AP Photo/Gene J. Puskar)

Baseball fans watch the opening ceremony of the Detroit Tigers and Cleveland Indians baseball game at Comerica Park, Thursday, April 1, 2021, in Detroit. (AP Photo/Carlos Osorio)

A B-2 Stealth Bomber flies over Kauffman Stadium before a baseball game between the Kansas City Royals and the Texas Rangers on Thursday, April 1, 2021, in Kansas City, Mo. (AP Photo/Charlie Riedel)

Spectators wait on a security line outside Yankee Stadium before an opening day baseball game against the Toronto Blue Jays, Thursday, April 1, 2021, in the Bronx borough of New York. Fans are back at the ballpark in limited numbers after they were shut out completely during the regular season last year due to the COVID-19 pandemic.(AP Photo/John Minchillo)

A person takes a photo of the Wrigley Field marquee, early morning on the opening day baseball game between the Chicago Cubs and the Pittsburgh Pirates, Thursday, April 1, 2021 at Chicago. From New York to Seattle and everywhere in between, it’s a much different opening day in 2021. Fans are back at the ballpark after they were shut out during the regular season last year because of the coronavirus pandemic. (AP Photo/Shafkat Anowar)

Fans gather outside the ballpark prior to the baseball game between the St. Louis Cardinals and the Cincinnati Reds in Cincinnati, Thursday, April 1, 2021. (AP Photo/Aaron Doster)

A health and safety sign is displayed on the ground level of loanDepot park prior to the opening day baseball game between the Tampa Bay Rays and the Miami Marlins, Thursday, April 1, 2021, in Miami. (AP Photo/Gaston De Cardenas)

Nevaeh Rotella, 10, walks with her family through the concourse at loanDepot park before the opening day baseball game between the Tampa Bay Rays and the Miami Marlins, Thursday, April 1, 2021, in Miami. (AP Photo/Gaston De Cardenas)