mcubed.net : MLB : Athletics : biggest year-to-year improvement/decline

�

NFL

NFL teams Super Bowls Series Records Standings Monthly Best/Worst Franchise Wins Most Fewest Points/Game Streaks Playoffs

MLB

MLB teams World Series Series Records Standings Monthly Best/Worst Franchise Wins Streaks Playoffs

NBA

NBA teams NBA Finals Series Records Standings Monthly Best/Worst Franchise Wins Streaks Playoffs

NHL

NHL teams Stanley Cup Series Records Standings Monthly Best/Worst Franchise Wins Most Fewest Goals/Game Streaks Playoffs

NCAA Hoops

Men's NCAA Tournament: Final Fours Men's NCAA Tournament: Teams Men's NCAA Tournament: Seed Records Men's Series Records Men's Conference Tournaments Women's NCAA Tournament Final Fours Women's NCAA Tournament: Teams Women's NCAA Tournament: Seed Records Women's Series Records Women's Conference Tournaments

NCAA Football

2025 Rankings Team vs. Team Series Records Team/Conference vs. Conference Series Records Conference Changes Over the Years All-time Winning Streaks All-time Losing Streaks Team vs. Team Winning Streaks Conference Championship games Win Charts Bowl Games Pick a Team Pick a Year Is my team better than yours? Best of an Era

NCAA

NCAA Championships by School NCAA Championships by Sport NCAA Championships by Year Consecutive Championships

Golf

All-time Major Winners All PGA Tournaments Since 1970

Tennis

Men's All-time Grand Slam Winners Men's Open Era Tournaments Women's All-time Grand Slam Winners

Olympics

Summer Games Winter Games

NASCAR

NASCAR Cup Series Daytona 500 All time wins Wins by Decade Wins by Year Wins by Race

Soccer

FIFA Men's World Cup FIFA Women's World Cup Men's European Football Championship Women's European Football Championship Africa Cup of Nations Women's African Football Championship Asian Cup Women's Asian Cup Copa America (South America) Copa America Femenina (South America women's) CONCACAF Gold Cup (North America) CONCACAF Women's Gold Cup (North America) Oceania Nations Cup OFC Women's Championship (Oceania) FIFA Confederations Cup

Bowling

All time wins Wins by Decade Wins by Year Wins by Tournament

MLB >

Teams

World Series

Match-ups Franchise Records World Series Droughts Consecutive World Series

Series Records

Standings

Monthly

Pick a Year Best/Worst Calendar Months

Best/worst

Best Regular Seasons Worst Regular Seasons Biggest Year-to-Year Improvements Biggest Year-to-Year Declines Best Records Throughout Season Worst Records Throughout Season

Franchise wins

Best of an Era All time 2020's 2010's 2000's 1990's 1980's 1970's 1960's 1950's 1940's 1930's 1920's 1910's 1900's

Streaks

Seasons in the playoffs Seasons out of the playoffs Seasons above .500 Seasons under .500 Team vs. Team wins streaks All time winning streaks All time losing streaks

Playoffs

Most Frequent Playoff Match-ups Consecutive Season Playoff Match-ups Game 7 Franchise Records Playoff Series Scoring Difference Playoff Chances By Record Best of 7 Series Progression

MLB:Athletics links>

Streaks

Years in/out playoffs; above/below .500 Winning streaks Losing streaks Winning streaks against other franchises Losing streaks against other franchises

Division wins

Coaches

Improvements/declines

Athletics : biggest year-to-year improvement/decline


Based on regular season win percentage:

                            Change in 
                              win %
Improvement: 1946 -> 1947      18.8   (31.8  ->  50.6)
Decline:     1914 -> 1915     -36.8   (65.1  ->  28.3)
Last Year:   2024 -> 2025       4.3   (42.6  ->  46.9)