Despite seeing USA reduce the deficit to one point in the morning session, Europe dropped just half a point in the afternoon to ensure that they have a four-point advantage going into the third and final day at Gleneagles.
"We have come back from 10-6 before," BBC Sport quotes Watson as saying. "They know it and I'll reiterate it. Our rookies played some magnificent golf and we have the players to come back. Credit to the Europeans, they played some great golf. It seems the foursomes is their forte."