Former Cub Zambrano eyes return to big leagues - ESPN

Enterprise Journalism Release - September 23, 2010 - ESPN Press Room U.S.

What Happened to Carlos Zambrano and Where is He Now? - FanBuzz

Former Cubs pitching star looking to make a comeback after six years away

While Cubs wait for their big move, The Athletic Chicago just added a key free agent in Patrick Mooney - The Athletic

Ex-Cubs Pitcher Carlos Zambrano Eyes Comeback; Hasn't Pitched in MLB Since 2012, News, Scores, Highlights, Stats, and Rumors

Sports Sailor

Cubs: Carlos Zambrano brought a little bit of everything to the table

Cubs: Carlos Zambrano brought a little bit of everything to the table

The 19 greatest starts in Cubs history, No. 5: Carlos Zambrano, September 14, 2008 - Bleed Cubbie Blue

The Hall of Fame Case: Carlos Zambrano