25 years ago today, a 20-year-old Kerry Wood struck out 20 batters to tie a major league record.

What even is that pitch?' An oral history of Kerry Wood's 20-K day - ESPN - Chicago Cubs Blog- ESPN

SEA@BOS: Clemens sets MLB record with 20 strikeouts

Kerry Wood's 20 Strikeout Game

Nationals' Max Scherzer Ties MLB Record 20 Strikeouts In Win Over Tigers

Kerry Wood, Astros recall 20-strikeout game

Ten years later: The night Aztecs' Stephen Strasburg struck out 23 in a game - The San Diego Union-Tribune

HOU@CHC: Kerry Wood ties ML record with 20 K's

The Case for Kerry Wood's 20-Strikeout Gem as MLB's Best Pitching Performance, News, Scores, Highlights, Stats, and Rumors

May 6, 1998: Kerry Wood's 20 strikeout game

Kerry Wood: The 25th anniversary of his 20 strikeout game with the Cubs

25 years ago today, Kerry Wood pitched the game of a generation – NBC Sports Chicago

35 years ago, Roger Clemens did something truly striking at Fenway Park - The Boston Globe

May 6, 1998: Kerry Wood's 20 strikeout game

25 years ago today, Kerry Wood pitched the game of a generation – NBC Sports Chicago

Kerry Wood reflects on 20 strikeout game on 25th anniversary