Theophylact of Ohrid — as excerpted in the Catena Aurea on Luke 22:19-20

“Now Luke mentions two cups; of the one we spoke above, Take this, and divide it among yourselves, which we may say is a type of the Old Testament; but the other after the breaking and giving of bread, He Himself imparts to His disciples. Hence it is added, Likewise also the cup after supper.”