ABA – American Basketball Association
AFL – Arena Football League
ALPBC – Atlantic League of Professional Baseball Clubs
AWHL – America West Hockey League
AYSO – American Youth Soccer Organization
ECHL – East Coast Hockey League
FPB – Frontier Professional Baseball
LPGA – Ladies Professional Golf Association
IBA – International Basketball Association
IHL – International Hockey League
IL – International League of Professional Baseball Clubs
MLB – Major League Baseball
MLPBC – Midwest League of Professional Baseball Clubs
MLS – Major League Soccer
MSBL – Mens Senior Baseball League
NASCAR – National Association for Stock Car Auto Racing
NBA – National Basketball Association
NCAA – National Collegiate Athletic Association
NFL – National Football League
NHL – National Hockey League
PCBL – Pacific Coast Baseball League
PGA – Professional Golfers’ Association of America
SAY – Soccer Association for Youth
UHL – United Hockey League
USHL – United States Hockey League
USL – United Soccer Leagues
WBL – Western Baseball League
WCHL – West Coast Hockey League
WNBA – Women’s National Basketball Association
WPHL – Western Professional Hockey League
WWF – World Wrestling Federation Entertainment, Inc
AFL – Arena Football League
ALPBC – Atlantic League of Professional Baseball Clubs
AWHL – America West Hockey League
AYSO – American Youth Soccer Organization
ECHL – East Coast Hockey League
FPB – Frontier Professional Baseball
LPGA – Ladies Professional Golf Association
IBA – International Basketball Association
IHL – International Hockey League
IL – International League of Professional Baseball Clubs
MLB – Major League Baseball
MLPBC – Midwest League of Professional Baseball Clubs
MLS – Major League Soccer
MSBL – Mens Senior Baseball League
NASCAR – National Association for Stock Car Auto Racing
NBA – National Basketball Association
NCAA – National Collegiate Athletic Association
NFL – National Football League
NHL – National Hockey League
PCBL – Pacific Coast Baseball League
PGA – Professional Golfers’ Association of America
SAY – Soccer Association for Youth
UHL – United Hockey League
USHL – United States Hockey League
USL – United Soccer Leagues
WBL – Western Baseball League
WCHL – West Coast Hockey League
WNBA – Women’s National Basketball Association
WPHL – Western Professional Hockey League
WWF – World Wrestling Federation Entertainment, Inc
College Conferences
Atlantic Coast
Atlantic 10
Big East
Big West
Big 10
Big 12
Colonial Athletic
Conference USA
Ivy League
Mid-American
Missouri Valley
Pac 10
Southeastern
Western Athletic