A driver slammed into a pedestrian around 10:40 p.m. along the 7000 block of West Chester Pike, officials say.
A few hours later, police recovered a minivan which they say may have struck the victim along the 200 block of Copley Road.
The victim was rushed to the Hospital of the University of Pennsylvania for treatment.
Police are questioning someone, but so far, no one has been charged.
Authorities have not released information on the condition or identity of the victim.