Cunningham was placed on the 7-day injured list at Low-A Visalia on Friday and is in the concussion protocol, Alex Weiner of Arizona Sports reports.
Cunningham was involved in a batting practice incident that led to him landing on the IL. The 19-year-old shortstop is slashing .394/.487/.485 with an 18:15 K:BB over 118 plate appearances for the Rawhide.