MLB, MLBPA agree on 2021 protocols, including seven-inning doubleheaders and runner on second in extras | CBS Sports Headlines MLB, MLBPA agree on 2021 protocols, including seven-inning doubleheaders and runner on second in extras The universal DH, however, is not part of this agreement ESN FeedsThis post was originally published … Continue reading MLB, MLBPA agree on 2021 protocols, including seven-inning doubleheaders and runner on second in extras