Ronald Acuna Jr. was placed on the injured list on Sunday morning due to a hamstring strain that he suffered the day before.  Acuna had come out of the Braves’ 9-1 win over the Rockies on Saturday after starting to limp in pain during the second inning when he was running out a ground ball he hit to second base.  Acuna had undergone an MRI in Denver to understand how severe the injury was and will now be on the IL with a left hamstring strain.  Atlanta Braves outfielder Ronald Acuna Jr. was placed on the IL. Christopher Hanewinckel-Imagn Images The MRI revealed a Grade 1 hamstring strain and Braves manager Walt Weiss said it “could have been a lot worse.”  “Not too serious, but serious enough that we had to put him on the list,” Weiss told reporters on Sunday. “It’s not going to be just a couple of days. It’s going to be more than, so we need to put him on the IL. Hopefully, it will be sooner than later.…