Carlton strikes out a record 19 batters in a nine-inning game

Luis Castillo named as Mariners' lone representative for upcoming All-Star Game at T-Mobile Park

Strikeout - Wikipedia

Dodgers LHP Clayton Kershaw chased in 1st inning of NLDS against Diamondbacks

Dodgers' Max Scherzer Records His 3,000th Career Strikeout - The New York Times

Padres working on combined no-hitter after starter Blake Snell removed in 8th inning vs Rockies

For years, we had very few MLB innings where a pitcher struck out 4 batters in an inning. Now, it usually happens a few times a year. Why? - Quora

The Most Strikeouts in a Game and Season in MLB History

Oakland A's beat Twins as Ryan Noda, Luis Medina shine in series finale

On This Day In Sports: September 15, 1969: Steve Carlton Breaks The Strikeout Record

Oakland A's batter Rickey Henderson looks after striking out in the eighth inning again against the Toronto Blue Jays, at the Oakland Coliseum, May 28, 1990. The Blue Jays beat the A's

TSN Archives: Roger Clemens strikes out 20 Mariners: 'I'm in the Hall of Fame