Lots of unfamiliar territory in 2020 baseball playoffs

Milwaukee Brewers relief pitcher Devin Williams throws during the seventh inning of a baseball game against the Kansas City Royals Saturday, Sept. 19, 2020, in Milwaukee. (AP Photo/Morry Gash)

New York Yankees Aaron Judge (99) puts his arm on Brett Gardner's back as Gardner takes a break during a pitching change in the ninth inning of a baseball game Miami Marlins, Sunday, Sept. 27, 2020, at Yankee Stadium in New York. (AP Photo/Kathy Willens)

Tampa Bay Rays' Blake Snell delivers a pitch during the second inning of a baseball game against the New York Mets Tuesday, Sept. 22, 2020, in New York. (AP Photo/Frank Franklin II)

Los Angeles Dodgers' Mookie Betts flies out to right field during the third inning of the team's baseball game against the Los Angeles Angels on Friday, Sept. 25, 2020, in Los Angeles. (AP Photo/Ashley Landis)

Cleveland Indians starting pitcher Shane Bieber delivers in the first inning of a baseball game against the Chicago White Sox, Wednesday, Sept. 23, 2020, in Cleveland. (AP Photo/Tony Dejak)

San Diego Padres' Fernando Tatis Jr., right, is congratulated by Eric Hosmer after hitting a solo home run against the San Francisco Giants during the fourth inning of a baseball game in San Francisco, Saturday, Sept. 26, 2020. (AP Photo/Eric Risberg)

St. Louis Cardinals starting pitcher Jack Flaherty throws during the first inning in the first game of a baseball doubleheader against the Milwaukee Brewers Friday, Sept. 25, 2020, in St. Louis. (AP Photo/Jeff Roberson)