Moncada, widely regarded as one of baseball's top prospects, was replaced in the field before the Twins batted in the sixth inning. The team says he has shin splints in his right leg.
It looked as if Moncada's leg was bothering him after he slid home safely in the fourth.
Garcia was pulled after three innings with back stiffness on his right side. He is day-to-day. Alen Hanson replaced him in right field Thursday night.