https://donloeslowdown.blogspot.com/2016/04/wgn-america-renews-underground-series.html
Donloe's Lowdown: WGN America Renews 'Underground' Series
CRITICALLY ACCLAIMED UNDERGROUND RAILROAD THRILLER, CREATED BY MISHA GREEN AND JOE POKASKI AND EXECUTIVE-PRODUCED BY JOHN LEGEND, IS TH...
wgn americalowdownrenewsundergroundseries
https://www.thewrap.com/salem-renewed-by-wgn-america-for-season-3/
'Salem' Renewed by WGN America for Season 3 - TheWrap
Jul 12, 2015 - Series averaged 1.1 million viewers per episode during second season
wgn americasalemrenewedseasonthewrap