9 innings in a regulation baseball game. ---------- 9 innings in a professional...Major League and Minor League...game, and in most college games. High School and PONY League games are 7 innings, and Little League (12-and-under) play 6 innings.
major league baseball for the most career innings?
A regulation game will have 6 innings.
There are 14 teams in the National Pro Fastpitch Softball League.
7 total innings are in a game altogether
5.98 innings per start, or about 6 innings, according to baseball-reference.com
Yes there is a professional softball league. It's called the NPF, National Pro Fastpitch.