(1)
In General. In responding to a pleading, a party must affirmatively state any avoidance or affirmative defense, including:
 accord and satisfaction;
 arbitration and award;
 assumption of risk;
 contributory negligence;
 discharge in bankruptcy;
 duress;
 estoppel;
 failure of consideration;
 fraud;
 illegality;
 injury by fellow servant;
 laches;
 license;
 payment;
 release;
 res judicata;
 statute of frauds;
 statute of limitations; and
 waiver.