Jamie Ward gave Derby the lead on 20 minutes with a left-footed shot . Tom Ince doubled the Rams ' lead early in the second half . Paul Caddis scored an injury-time second half penalty for Birmingham . The result means that Derby have won their last two games against Championship sides and are now level at the top of League One after seven games.
Jamie Ward gave Derby the lead on 20 minutes with a left-footed shot . Tom Ince doubled the Rams ' lead early in the second half . Paul Caddis scored an injury-time second half penalty for Birmingham . Clayton Donaldson rescued a point for the visitors with a 96th minute effort .