After some time, he was able to slowly walk off of the field with some assistance by team trainers. He would later be seen walking on the sideline.
It turns out, Harold just had the wind knocked out of him and is fine.
#49ers injury updates: Tony Jerod-Eddie is on the 49ers' sideline, standing up. And Eli Harold is walking around.
— Matt Maiocco (@MaioccoCSN) August 21, 2016
Eli Harold had the wind knocked out of him.
— Matt Maiocco (@MaioccoCSN) August 21, 2016