Strikeout
In baseball or softball, a strikeout or strike out (denoted by SO or K) happens when a batter gets three strikes when at bat.
Strikeout Media
Cincinnati Reds outfielder Adam Dunn strikes out swinging.
Hall of Famer Sandy Koufax
An electronic banner announcing the milestone achievement of John Smoltz recording his 3000th strikeout during a game in April 2008