Daily Media Weigh-in

Five Key X-Factors Hang Over Floyd Mayweather As Clock Ticks On Comeback Fight » As Floyd Mayweather’s comeback bout against Juan Manuel Marquez hits its 30-day countdown, here are the five most important things to watch… David Mayo, www.mlive.com

“Baby Bull” Diaz Prepared For War » It’s an all-too-familiar story, really. • A young boxer goes from prodigy to prospect, from prospect to contender, from contender to champion. • When his career is over, however, whether or not he has fulfilled his aspirations in the ring, he often ends up going somewhere else: From paycheck to paycheck. Or worse, penniless and out on the street. • Juan “Baby Bull” Diaz is not going out like that… Patrick Gutierrez, insidefights.com

Instant Replay OK’d For Boxing, MMA • NAC Approves Using Technology To Confirm Calls » The Nevada Athletic Commission voted unanimously Wednesday to institute instant replay on a limited basis for boxing and mixed martial arts events… STEVE CARP, www.lvrj.com