ESPN3 is only free if it's EXCLUSIVE to ESPN3. Games on ESPN/2/U, SEC Network & LHN are only available to stream if you have those channels in your TV package.
LHN is available on PS Vue & CenturyLink STream
TV Networks & OTT Availability - You can get FREE trials with most
Subject to Change CenturyLink
Stream (C)DTV Now (D) Fubo (F) Hulu (H) PS Vue (P) Sling (S) YouTube (Y)
limited availabilityLonghorn Network Sports (+$10) N/A N/A N/A Various ^ N/A N/A
^ LHN on PS Vue package depends on your location: i.e. Core in Austin, Elite in Shreveport, Sports Pack in Memphis