diff --git a/libraries/chain/db_bet.cpp b/libraries/chain/db_bet.cpp
index 8c3e1357..367a6a73 100644
--- a/libraries/chain/db_bet.cpp
+++ b/libraries/chain/db_bet.cpp
@@ -476,7 +476,8 @@ int match_bet(database& db, const bet_object& taker_bet, const bet_object& maker
    share_type maximum_factor = std::min(maximum_taker_factor, maximum_maker_factor);
    share_type maker_amount_to_match = maximum_factor * maker_odds_ratio;
    share_type taker_amount_to_match = maximum_factor * taker_odds_ratio;
-   fc_idump(fc::logger::get("betting"), (maker_amount_to_match)(taker_amount_to_match));
+   //TODO
+   //fc_idump(fc::logger::get("betting"), (maker_amount_to_match)(taker_amount_to_match));
 
    // TODO: analyze whether maximum_maker_amount_to_match can ever be zero here 
    assert(maker_amount_to_match != 0);
@@ -554,7 +555,8 @@ int match_bet(database& db, const bet_object& taker_bet, const bet_object& maker
                  ("taker_refund_amount", taker_refund_amount)
                  ("maker_odds", maker_bet.backer_multiplier)
                  ("taker_odds", taker_bet.backer_multiplier));
-         fc_ddump(fc::logger::get("betting"), (taker_bet));
+         // TODO
+         //fc_ddump(fc::logger::get("betting"), (taker_bet));
 
          db.adjust_balance(taker_bet.bettor_id, asset(taker_refund_amount, taker_bet.amount_to_bet.asset_id));
          // TODO: update global statistics
@@ -635,8 +637,9 @@ bool database::place_bet(const bet_object& new_bet_object)
       // we continue if the maker bet was completely consumed AND the taker bet was not
       finished = orders_matched_flags != 2;
    }
-   if (!(orders_matched_flags & 1))
-      fc_ddump(fc::logger::get("betting"), (new_bet_object));
+   //TODO
+   //if (!(orders_matched_flags & 1))
+   //   fc_ddump(fc::logger::get("betting"), (new_bet_object));
 
 
    // return true if the taker bet was completely consumed
diff --git a/libraries/chain/include/graphene/chain/protocol/sport.hpp b/libraries/chain/include/graphene/chain/protocol/sport.hpp
index c9e3673b..3c710d83 100644
--- a/libraries/chain/include/graphene/chain/protocol/sport.hpp
+++ b/libraries/chain/include/graphene/chain/protocol/sport.hpp
@@ -25,6 +25,7 @@
 
 #include <graphene/chain/protocol/types.hpp>
 #include <graphene/chain/protocol/base.hpp>
+#include <graphene/chain/protocol/ext.hpp>
 
 namespace graphene { namespace chain {
 
diff --git a/libraries/chain/sport_evaluator.cpp b/libraries/chain/sport_evaluator.cpp
index 87648322..b074168b 100644
--- a/libraries/chain/sport_evaluator.cpp
+++ b/libraries/chain/sport_evaluator.cpp
@@ -32,9 +32,9 @@
 
 namespace graphene { namespace chain {
 
-bool is_manager( const sport_id_type sport_id, const account_id_type manager_id )
+bool is_manager( const database& db, const sport_id_type sport_id, const account_id_type manager_id )
 {
-    return db().get(sport_id).manager == manager_id;
+    return db.get(sport_id).manager == manager_id;
 }
 
 void_result sport_create_evaluator::do_evaluate(const sport_create_operation& op)
@@ -51,7 +51,7 @@ object_id_type sport_create_evaluator::do_apply(const sport_create_operation& op
      db().create<sport_object>( [&]( sport_object& sport_obj ) {
          sport_obj.name = op.name;
          if( op.extensions.value.manager.valid() )
-            sport_obj.manager = *op.extesions.value.manager;
+            sport_obj.manager = *op.extensions.value.manager;
      });
    return new_sport.id;
 } FC_CAPTURE_AND_RETHROW( (op) ) }
@@ -61,7 +61,7 @@ void_result sport_update_evaluator::do_evaluate(const sport_update_operation& op
 { try {
    FC_ASSERT(db().head_block_time() >= HARDFORK_1000_TIME);
    FC_ASSERT(trx_state->_is_proposed_trx 
-       || op.extensions.value.manager.valid() ? is_manager( op.sport_id, *op.extensions.value.manager ) : false );
+       || ( op.extensions.value.manager.valid() ? is_manager( db(), op.sport_id, *op.extensions.value.manager ) : false ) );
        
    FC_ASSERT(op.new_name.valid());
    return void_result();