With two Mercy Westers gone, I'm sure you guys are wondering: what abt Dr. Avery and Dr. Kepner? Well check out these spoilers for news on the remaining two Mercy Westers!
So both Dr. Jackson Avery and Dr. April Kepner will be here to stay! Both actors, Jesse Williams and Sarah Drew (respectively) were promoted to series regulars -- so definitely get used to seeing more of these two Mercy Westers!
Source: Ausiello Files