Friday marks the start of Major League Baseball's best-of-three wild card series

a quadruple header to mark the first season with a 12-team enlarged playoff field

On Saturday, the victors from Friday will have the opportunity to

continue on to the best-of-five Division Series, with any required Game 3s falling on Sunday

In the Guardians' 2-1 victory over the Rays in the Cleveland-Tampa Bay series opener

pitcher Shane Bieber allowed just one earned run over 7 2/3 innings of work.

Four best-of-three series beginning today will determine which clubs

progress to the American League Division Series against either the Houston Astros or

the New York Yankees and National League Division Series as the playoff field increases to 12 teams