ST. LOUIS (AP) -- In his third week with the St. Louis Rams, wide receiver Ruvell Martin says he's finally up to speed with the playbook.
Martin was among the Green Bay Packers' final cuts before the start of the regular season. He signed with St. Louis on Sept. 16 and hopes to get his first playing time Sunday at San Francisco.
The Rams' Laurent Robinson is on injured reserve, and coach Steve Spagnuolo likes the size that Martin -- 6-foot-4 and 220 pounds -- potentially brings to the offense.
Martin totaled 52 receptions with six touchdowns from 2006-08 with Green Bay.
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