What Is 2020 American League Wild Card Series

Content on WhatAnswers is provided "as is" for informational purposes. While we strive for accuracy, we make no guarantees. Content is AI-assisted and should not be used as professional advice.

Last updated: April 15, 2026

Quick Answer: The 2020 American League Wild Card Series was a best-of-three playoff round introduced due to the expanded 16-team postseason format during the shortened 60-game regular season caused by the COVID-19 pandemic. It featured the top eight AL teams based on winning percentage, with higher seeds hosting all games at their home ballpark.

Key Facts

The 2020 AL Wild Card Series was a best-of-three format, first used in MLB history
It included the top 8 teams in the American League based on winning percentage
All games were hosted by the higher-seeded team due to pandemic protocols
The 2020 regular season was shortened to 60 games because of the COVID-19 outbreak
This format expanded the playoff field from 10 to 16 teams for that year only

Overview

The 2020 American League Wild Card Series marked a historic shift in Major League Baseball’s postseason structure. Introduced as a temporary expansion due to the pandemic-shortened season, it replaced the traditional single Wild Card Game with a best-of-three series.

This format allowed more teams to compete in the playoffs and reshaped how postseason baseball was played. The series was part of MLB’s response to the 60-game regular season, ensuring competitive balance despite the abbreviated schedule.

Eight teams qualified for the American League playoffs, doubling the usual number of Wild Card participants.
Best-of-three series meant the first team to win two games advanced to the Division Series.
Higher seed hosted all games at their home ballpark, eliminating travel during the pandemic.
Seeding was determined strictly by winning percentage, not division titles, creating a merit-based bracket.
No reseeding occurred after each round, maintaining the original playoff alignment throughout.

How It Works

The 2020 AL Wild Card Series introduced new mechanics to accommodate health protocols and an expanded field. Each matchup followed a simple win-two-games-to-advance rule, with no travel or neutral sites.

Best-of-three format: A team needed to win two games to advance; if a team won the first two, the third was not played.
Home-field advantage: The higher seed hosted all games at their stadium, reducing travel and exposure risks during the pandemic.
Playoff qualification: The top eight teams in the AL by winning percentage advanced, regardless of division standing.
60-game season: The shortened regular season meant standings were based on a winning percentage rather than total wins.
Expanded rosters: Teams could carry 28 players for the series, up from the usual 25, to manage player fatigue.
Extra-innings rule: Each extra inning began with a runner on second base to speed up game resolution and reduce fatigue.

Comparison at a Glance

Below is how the 2020 AL Wild Card Series compared to the traditional format used in other years:

Feature	2020 Format	Traditional Format
Number of Teams	8 AL teams	5–6 AL teams
Series Length	Best-of-three	Single elimination
Host Location	Higher seed’s home park	Home/away rotation
Regular Season	60 games	162 games
Postseason Start	September 29, 2020	Typically October 1–4

The temporary changes reflected MLB’s need to adapt to public health concerns while maintaining competitive integrity. Though the format was not continued in 2021, it demonstrated flexibility in postseason design under extraordinary circumstances.

Why It Matters

The 2020 AL Wild Card Series had lasting implications for how MLB approaches postseason expansion and emergency planning. It proved that alternative formats could work under pressure, influencing future playoff discussions.

Increased access: More teams had a realistic shot at October baseball, boosting fan engagement in additional markets.
Pandemic precedent: The success of the format showed MLB could adapt quickly to global disruptions.
Revenue impact: Additional games generated extra broadcast and ticket revenue, even without fans in attendance.
Player workload: Expanded rosters and extra-innings rules helped manage strain over a condensed schedule.
Competitive fairness: Using winning percentage instead of raw wins leveled the playing field across uneven schedules.
Future expansion: The 2022 permanent expansion to a 12-team playoff field was partly inspired by 2020’s model.

The 2020 American League Wild Card Series was more than a one-year anomaly—it was a test case for innovation in baseball’s postseason structure, with lessons still influencing the game today.