Greenlaw leaves with calf injury

Niners LB Dre Greenlaw left Sunday's loss to the Chiefs with a right-calf injury and did not return. If he misses further time, the snaps would likely go to Demetrius Flannigan-Fowles. He stepped in for 56% playing time against K.C. LB Azeez Al-Shaair is already on IR with an MCL sprain that's expected to sideline him beyond Week 10.