All commercials count as screen time which cannot be erased.
Red-Zone is full-on screen time and cannot be erased with learning.
If you are NOT watching with other people, you may use extra learning time (during that cycle) to erase the time spent watching sports at a 1:1 ratio. (E.g. If you watched for 2 hours by yourself, then you can learn for 2 hours outside of seder and take off the time watched from you cycle.)
If you are watching with other people (to be used as a bonding experience) you may use extra learning time (during that cycle) to erase the time spent watching sports at a 2:1 ratio (E.g. If you watched for 2 hours with friends, one can then learn 1 hour outside of seder and not count that as time at all.)