Jose Altuve, Alex Bregman, Carlos Correa, Yuli Gurriel are Astros' core 4

Houston Astros preview: Altuve, Correa, Verlander and more! - Sports Illustrated

Carlos Correa Interviewing Jeremy Peña On TV Is a Win For the Astros Rookie — Yordan Alvarez's Sidekicks Are Raking Too - PaperCity Magazine

Carlos Correa on he, Alex Bregman, Jose Altuve, and Yuli Gurriel having played in more postseason games together than any other four teammates in MLB history

Carlos Correa - Wikipedia

World Series: Astros couldn't silence naysayers—and never will - Sports Illustrated

Devil's advocate: Why Oakland A's fans can be happy the Houston Astros beat the Boston Red Sox in the ALCS - Athletics Nation

Astros Defeate Red Sox 5-4 In Game 1 ALCS Thriller

Carlos Correa Interviewing Jeremy Peña On TV Is a Win For the Astros Rookie — Yordan Alvarez's Sidekicks Are Raking Too - PaperCity Magazine

How the AL champion Astros were built

Astros infield speaks the same language: winning

Astros Roster Construction And What It Means For The Orioles - Baltimore Sports and Life

The Astros' Infield, One of Baseball's Longest-Running Shows, May Be Approaching Its Final Bow - WSJ

The Astros' Alex Bregman Keeps Working at Hitting, Fielding and Spanish - The New York Times