Brock Holt - Wikipedia
ESPN - Boston Red Sox 2B Brock Holt did something that had never been done in 1,561 MLB postseason games.
Brock Holt first with postseason cycle, Red Sox rout Yankees 16-1
Brock Holt completes the first playoff cycle
Lyles' strong start leads Rangers over sloppy Red Sox, 10-1
Brock Holt celebrated hitting the first postseason cycle in history with the biggest smile you'll see
Brock Holt first to hit for cycle in MLB postseason as Red Sox rout Yankees - ESPN
Favorite Sox Baseball Hall of Fame
Brock Holt completes first Red Sox cycle since 1996
Brock Holt of Red Sox hits first cycle in MLB playoff history
Brock Holt makes postseason history with cycle