Exhibit 23

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in:

BetfredRegistration Statement No. 333-30391 on Form S-8 pertaining to the 1992 Incentive Equity Plan (as amended and restated as of May 13, 1997) and the related prospectus;

BetfredRegistration Statement No. 333-56661 betfred sportsbook reviewon Form S-8 (as amended by Post-Effective Amendment No. 1) pertaining to the Northshore Mining Company and Silver Bay Power Company Retirement Saving Plan and the related prospectus;

BetfredRegistration Statement No. 333-06049 on Form S-8 pertaining to the Cliffs Natural Resources Inc. Nonemployee Directors’ Compensation Plan;

BetfredRegistration Statement No 333-84479 on Form S-8 pertaining to the 1992 Incentive Equity Plan (as amended and restated as of May 11, 1999);

BetfredRegistration Statement No. 333-64008 betfred sportsbook reviewon Form S-8 (as amended by Post-Effective Amendment No. 1 and Post-Effective Amendment No.2) pertaining to the Cliffs Natural Resources Inc. Nonemployee Directors’ Compensation Plan (as amended and restated betfred sportsbookas of January 1, 2004);

BetfredRegistration Statement No. 333-165021 on Form S-8 pertaining to the 2007 Incentive Equity Plan;

BetfredRegistration Statement No. 333-172649 on Form S-8 dated March 7, 2011 pertaining to the registration of an additional 9,000,000 Common Shares under the Amended and Restated Cliffs 2007 Incentive Equity Plan; and

BetfredRegistration betfred reviewsStatement No. 333-184620 on Form S-8 pertaining to the Cliffs Natural Resources Inc. 2012 Incentive Equity Plan

BetfredRegistration Statement No. 333-186617 on Form S-3 dated February 12, 2013 pertaining to the registration of an indeterminate number of common shares, preferred stock, depositary shares, warrants and subscription rights as well as an indeterminate amount of debt securities Betfredthat may from time to time be issued at indeterminate prices.

of our reports relating to the consolidated financial statements and financial statement schedule of Cliffs Natural Resources Inc. and the effectiveness of Cliffs Natural Resources Inc.’s internal control over financial reporting dated February 14, 2014, appearing in the Annual Report on Form betfred games10-K of Cliffs Natural Resources Inc. for the year ended December 31, 2013.

/s/ DELOITTE & TOUCHE LLP

Cleveland, Ohio

February 14, 2014