Softball Mercy Rules
ASA Mercy Rule
According to the Amateur Softball Association of America (ASA) rules, a lopsided game is called after five innings (4 1/2 innings if the home team is winning). There is one rule for regular season games and another one for the playoffs.
ASA Regular Season/Playoffs
Under ASA rules, a regular season game is called when a team is up 12 runs or more after five innings (4 1/2 innings if the home team is ahead). A playoff game is called when a team is up 15 runs or more after five innings.
ISF Mercy Rule
According to the International Softball Federation (ISF) rules, a game is called after three, four, or five innings depending on the score. The rules slightly differ between slow-pitch (SP) and fast-pitch (FP) games.
ISF FP/SP Mercy Rule
Under ISF rules, a fast-pitch game is called when a team is up 15 runs after three innings; 10 runs after four innings or seven runs after five innings. A slow-pitch game is called when a team is up 20 runs after four innings or 15 runs after five innings.
Preston Forrester began writing in 2006. His work includes news releases and writing for various Old Dominion University athletics media guides and the school's website. Forrester holds a Bachelor of Science in marketing from Hampton University and is pursuing a Master of Business Administration and Master of Science in finance from Northeastern University.