Jordan Walden (hamstring) isn't expected to be activated from the disabled list until mid-June. Walden has felt good while long-tossing, but the Braves want to be extra careful given how much stress his delivery puts on his left leg. He won't throw off a mound for another couple weeks. "Especially with his delivery, that left leg is very important because it's the one he lands on," manager Fredi Gonzalez said. "So, we've got to make sure that's right because if it's not, that's what could lead to something else."