Jeff McLane of the Philadelphia Inquirer considers Jeremy Maclin (hamstring) "unlikely" to face the 49ers in Week 4. McLane is speculating, but the fact that Maclin couldn't return to Sunday's loss to the Eagles suggests his hamstring pull could be a multi-week injury. Riley Cooper, Maclin's backup at split end, is also considered "unlikely" for Week 4 after a concussion. It's possible that Steve Smith will start against the 49ers at flanker, with DeSean Jackson at split end and Jason Avant in the slot. Smith is the Eagles receiver to target on waiver wires this week.