What is an immaculate inning? How to achieve the feat more rare than a no-hitter
Briefly

An immaculate inning is recording three strikeouts in nine total pitches. A pitcher who strikes out three batters using only three pitches for each at-bat achieves the uncommon feat, with no foul balls except in beginning strikes.
Michael Kopech achieved an immaculate inning by striking out three Twins batters with nine pitches, throwing 100-mile-per-hour fastballs after battling with foul balls, marking the second in White Sox history.
Read at Yahoo Sports
[
|
]