Ronan Curtis scored either side of half-time, before Ryan Williams scored his first goal since his summer return on 88 minutes to wrap up a comfortable victory.
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13. Oli Hawkins
Rochdale v Pompey in League One Picture: Daniel Chesterton | JPIMedia Photo: Daniel Chesterton
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14. Holy smoke!
A steward removes a smoke flare thrown on the pitch | JPIMedia Photo: Daniel Chesterton
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15. John Marquis
Rochdale v Pompey in League One Picture: Daniel Chesterton | JPIMedia Photo: Daniel Chesterton
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16. Ryan Williams
Rochdale v Pompey in League One Picture: Daniel Chesterton | JPIMedia Photo: Daniel Chesterton
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