Ravens coach John Harbaugh chats with his brother 49ers head coach Jim Harbaugh before the teams played their preseason opener on Thursday. (Rob Carr, Getty Images /August 7, 2014)
The NFL has reinstated Ravens rookie cornerback Asa Jackson following his four-game suspension without pay for violating the league's performance-enhancing drug policy.
The Ravens were given a roster exemption for Jackson through Jan. 14, so they don't have to make a transaction until then unless they want to activate the fifth-round draft pick now.
The suspension stemmed from unauthorized usage of Adderall, according to a source with knowledge of the situation.
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