Fewest innings to reach 500 strikeouts (pitcher)

Fewest innings to reach 500 strikeouts (pitcher)
Who
Aroldis Chapman
What
292 total number
Where
United States
When
2015

Aroldis Chapman (Cuba) of the Cincinnati Reds set a Major League Baseball record by striking out 500 batters for his career in just 292 innings, the fastest pitcher to reach 500 career strikeouts.

The previous mark was 305 innings by Craig Kimbrel.