Former Major Leaguers You Probably Didn't Know Were Still Playing - Diamond Digest
Carlos Zambrano is always welcome at Wrigley Field - The Athletic
Former Cubs pitcher Zambrano tries for minor-league comeback
Carlos Zambrano Hopes to Make Big League Comeback With Chicago Dogs – NBC Chicago
The Hall of Fame Case: Carlos Zambrano
Carlos Zambrano Big Z Chicago Cubs Poster - Costacos 2008 – Sports Poster Warehouse
Carlos Zambrano - Wikipedia
Former Cubs pitcher Carlos Zambrano is joining the Chicago Dogs
Former Chicago Cubs pitcher Carlos Zambrano eyes another comeback
Carlos Zambrano Returns To Chicago As Part Of Independent Team