#23. Chicago White Sox: MLB 2013 Preseason Power Rankings

#23. Chicago White Sox  Team Ace: Jake Peavy Most Valuable Position Player: Alex Rios Breakout Candidate: Dayan Viciedo Notable Offseason Additions: Jeff Keppinger Notable Offseason Losses: A.J. Pierzynski, Kevin Youkilis Biggest Team Weakness: Age and lack of pizzaz

#26. The Chicago Cubs: MLB 2013 Preseason Power Rankings

#26. The Chicago Cubs Team Ace: Matt Garza Most Valuable Position Player: Starlin Castro Breakout Candidate: Anthony Rizzo Notable Offseason Additions: Edwin Jackson, Nate Schierholtz, Scott Hairston Notable Offseason Losses: None Biggest Team Weakness: Bullpen