The Royals have spent more than $100-million this off-season. Is it enough to make them a contender?Rany Jazayerli (Co-Founder Baseball Prospectus/@Jazayerli) and Soren Petro (Sports Radio 810-WHB, 810whb.com/@SorenPetro) are breaking down the Royals Free Agent additions from every angle.- Is Seth Lugo worth three years?- How does Chris Stratton fit into the bullpen?- Will Michael Wacha prove to be a steal?- Does Hunter Renfroe get on base enough?- What else do the Royals need?- Could the Royals be the favorite in the AL Central?