Ryan Dempster ties the Cubs’ franchise record by extending his scoreless streak to 33 innings in defeating the Diamondbacks, 4 – 1. Dempster tosses 6 scoreless frames before leaving, matching the record set by Ken Holtzman in 1969.

On July 14, 2012 Ryan Dempster ties the Cubs’ franchise record by extending his scoreless streak to 33 innings in defeating the Diamondbacks, 4 – 1. Dempster tosses 6 scoreless frames before leaving, matching the record set by Ken Holtzman in 1969.

Source
Baseball Reference July 14