Green is by far the most appropriate choice as an alternate.
Firstly he wouldn't getting a 'bye' into the second round, the first 3 rounds are a league format, and Green would come in at a disadvantage having to start on 0 points with only two fights to qualify, rather than the others who had 3.
Secondly he's clearly the best available option to step in at short notice. Bute is going to fight Andrade, the likes of Pavlik and Williams already have their own career paths.
Finally, Green, unlike Bika is an American. If Taylor is unable to continue Showtime will need to bring in another American fighter to keep up the viewing figures. Green is known and has a name stateside, unlike Sakio Bika who is based in Australia. True he was on the Contender, but nobody has watched that since the first season so he won't have made many fans from that.
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