San Francisco 49ers wide receiver Michael Crabtree is set to make his season debut Sunday against the St. Louis Rams.

When asked if Crabtree will return Sunday, 49ers coach Jim Harbaugh said it "looks that way."

Crabtree injured his Achilles in the spring.

Crabtree isn't expected to have a full workload.

The 49ers listed the following players as questionable: linebacker Ahmad Brooks (stinger), cornerback Tarell Brown (ribs), tight end Garret Celek (hamstring), guard Mike Iupati (knee), defensive tackle Ray McDonald (ankle), receiver Quinton Patton (foot) and linebacker Aldon Smith (shoulder).

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Aaron Wilson covers the Ravens for The Baltimore Sun