Where an employee who belongs to a labor union seeks to challenge the result of an arbitration through that union arguing that there was a breach of the collective bargaining agreement, the Illinois Labor Relations Board has exclusive jurisdiction to hear the case.The 1st District Appellate Court affirmed the decision of Cook County Circuit Judge Diane J. Larsen.James Knox was employed by the Chicago Transit Authority as a member of Amalgamated Transit Union Local 1241. On Jan. 24, 2013, Knox was terminated based on his …