2021 MLB season records
Major League Baseball · regular season · 30 teams
The longest winning streak of the 2021 MLB regular season was 17 games, by the St Louis Cardinals (Sep 11 – Sep 28, 2021).
Longest winning streak
The longest winning streak of the 2021 MLB regular season was 17 games, by the St Louis Cardinals (Sep 11 – Sep 28, 2021).
| # | Team | Games | Detail |
|---|---|---|---|
| 1 | St Louis Cardinals | 17 | Sep 11 – Sep 28, 2021 |
| 2 | New York Yankees | 13 | Aug 14 – Aug 27, 2021 |
| 2 | Oakland Athletics | 13 | Apr 9 – Apr 24, 2021 |
| 4 | Houston Astros | 11 | Jun 13 – Jun 24, 2021 |
| 4 | Milwaukee Brewers | 11 | Jun 22 – Jul 3, 2021 |
| 4 | Tampa Bay Rays | 11 | May 13 – May 24, 2021 |
| 7 | Atlanta Braves | 9 | Aug 13 – Aug 22, 2021 |
| 7 | Boston Red Sox | 9 | Apr 5 – Apr 14, 2021 |
| 7 | Los Angeles Dodgers | 9 | Jun 25 – Jul 4, 2021 |
| 7 | San Diego Padres | 9 | May 14 – May 23, 2021 |
| 7 | San Francisco Giants | 9 | Sep 5 – Sep 14, 2021 |
Longest losing streak
The longest losing streak of the 2021 MLB regular season was 19 games, by the Baltimore Orioles (Aug 3 – Aug 24, 2021).
| # | Team | Games | Detail |
|---|---|---|---|
| 1 | Baltimore Orioles | 19 | Aug 3 – Aug 24, 2021 |
| 2 | Arizona Diamondbacks | 17 | Jun 2 – Jun 20, 2021 |
| 3 | Chicago Cubs | 12 | Aug 5 – Aug 16, 2021 |
| 3 | Texas Rangers | 12 | Jul 10 – Jul 25, 2021 |
| 5 | Kansas City Royals | 11 | May 2 – May 13, 2021 |
| 6 | Pittsburgh Pirates | 10 | Jun 6 – Jun 16, 2021 |
| 7 | Cleveland Indians | 9 | Jun 30 – Jul 7, 2021 |
| 8 | Miami Marlins | 8 | May 27 – Jun 5, 2021 |
| 9 | Cincinnati Reds | 7 | Apr 18 – Apr 25, 2021 |
| 9 | Colorado Rockies | 7 | Apr 9 – Apr 17, 2021 |
| 9 | New York Yankees | 7 | Sep 4 – Sep 10, 2021 |
| 9 | San Diego Padres | 7 | Sep 24 – Oct 1, 2021 |
| 9 | Tampa Bay Rays | 7 | Jun 15 – Jun 22, 2021 |
| 9 | Washington Nationals | 7 | Aug 8 – Aug 15, 2021 |
Best record
The best regular-season record in the 2021 MLB was 107-55, by the San Francisco Giants.
| # | Team | Record | Detail |
|---|---|---|---|
| 1 | San Francisco Giants | 107-55 | 66.0% |
| 2 | Los Angeles Dodgers | 106-56 | 65.4% |
| 3 | Tampa Bay Rays | 100-62 | 61.7% |
| 4 | Houston Astros | 95-67 | 58.6% |
| 4 | Milwaukee Brewers | 95-67 | 58.6% |
| 6 | Chicago White Sox | 93-69 | 57.4% |
| 7 | Boston Red Sox | 92-70 | 56.8% |
| 7 | New York Yankees | 92-70 | 56.8% |
| 9 | Toronto Blue Jays | 91-71 | 56.2% |
| 10 | Seattle Mariners | 90-72 | 55.6% |
| 10 | St Louis Cardinals | 90-72 | 55.6% |
Worst record
The worst regular-season record in the 2021 MLB was 52-110, by the Arizona Diamondbacks.
| # | Team | Record | Detail |
|---|---|---|---|
| 1 | Arizona Diamondbacks | 52-110 | 32.1% |
| 1 | Baltimore Orioles | 52-110 | 32.1% |
| 3 | Texas Rangers | 60-102 | 37.0% |
| 4 | Pittsburgh Pirates | 61-101 | 37.7% |
| 5 | Washington Nationals | 65-97 | 40.1% |
| 6 | Miami Marlins | 67-95 | 41.4% |
| 7 | Chicago Cubs | 71-91 | 43.8% |
| 8 | Minnesota Twins | 73-89 | 45.1% |
| 9 | Kansas City Royals | 74-88 | 45.7% |
| 10 | Colorado Rockies | 74-87 | 46.0% |
Biggest margin of victory
The biggest margin of victory in the 2021 MLB regular season was +21: Los Angeles Dodgers 22-1 vs Arizona Diamondbacks, Jul 10, 2021.
| # | Team | Margin | Detail |
|---|---|---|---|
| 1 | Los Angeles Dodgers | +21 | 22-1 vs Arizona Diamondbacks, Jul 10, 2021 |
| 2 | Atlanta Braves | +19 | 20-1 vs Pittsburgh Pirates, May 21, 2021 |
| 3 | Oakland Athletics | +17 | 17-0 vs Cleveland Indians, Aug 12, 2021 |
| 3 | Washington Nationals | +17 | 18-1 vs Miami Marlins, Jul 19, 2021 |
| 5 | San Diego Padres | +16 | 24-8 vs Washington Nationals, Jul 16, 2021 |
| 6 | San Francisco Giants | +15 | 19-4 vs Cincinnati Reds, May 20, 2021 |
| 6 | Toronto Blue Jays | +15 | 22-7 vs Baltimore Orioles, Sep 12, 2021 |
| 8 | Boston Red Sox | +14 | 15-1 vs Kansas City Royals, Jul 1, 2021 |
| 8 | Detroit Tigers | +14 | 14-0 vs Texas Rangers, Jul 19, 2021 |
| 8 | Houston Astros | +14 | 16-2 vs Los Angeles Angels, Apr 24, 2021 |
| 8 | Philadelphia Phillies | +14 | 17-3 vs Cincinnati Reds, Jun 1, 2021 |
| 8 | Tampa Bay Rays | +14 | 14-0 vs New York Yankees, Jul 29, 2021 |
Best home record
The best home record in the 2021 MLB regular season was 58-23, by the Los Angeles Dodgers.
| # | Team | Record | Detail |
|---|---|---|---|
| 1 | Los Angeles Dodgers | 58-23 | 71.6% |
| 2 | San Francisco Giants | 54-27 | 66.7% |
| 3 | Chicago White Sox | 53-28 | 65.4% |
| 4 | Tampa Bay Rays | 52-29 | 64.2% |
| 5 | Houston Astros | 51-30 | 63.0% |
| 6 | Boston Red Sox | 49-32 | 60.5% |
| 7 | Colorado Rockies | 48-33 | 59.3% |
| 8 | New York Mets | 47-34 | 58.0% |
| 8 | Philadelphia Phillies | 47-34 | 58.0% |
| 8 | Toronto Blue Jays | 47-34 | 58.0% |
Best road record
The best road record in the 2021 MLB regular season was 53-28, by the San Francisco Giants.
| # | Team | Record | Detail |
|---|---|---|---|
| 1 | San Francisco Giants | 53-28 | 65.4% |
| 2 | Milwaukee Brewers | 50-31 | 61.7% |
| 3 | Los Angeles Dodgers | 48-33 | 59.3% |
| 3 | Tampa Bay Rays | 48-33 | 59.3% |
| 5 | Atlanta Braves | 46-35 | 56.8% |
| 5 | New York Yankees | 46-35 | 56.8% |
| 7 | St Louis Cardinals | 45-36 | 55.6% |
| 8 | Houston Astros | 44-37 | 54.3% |
| 8 | Seattle Mariners | 44-37 | 54.3% |
| 8 | Toronto Blue Jays | 44-37 | 54.3% |
Regular season only. Win-percentage families rank teams that have played at least half of a typical season; ties share a rank.
2021 MLB records: quick answers
- Who had the longest winning streak in the 2021 MLB season?
- The longest winning streak of the 2021 MLB regular season was 17 games, by the St Louis Cardinals (Sep 11 – Sep 28, 2021).
- Which team had the best record in the 2021 MLB season?
- The best regular-season record in the 2021 MLB was 107-55, by the San Francisco Giants.
- What was the biggest blowout of the 2021 MLB season?
- The biggest margin of victory in the 2021 MLB regular season was +21: Los Angeles Dodgers 22-1 vs Arizona Diamondbacks, Jul 10, 2021.