Bad news: Welterweight champion Belal Muhammad is out of UFC 310 , and that leaves the division in a bit of a quandary.  Muhammad suffered a nasty toe infection that left him no choice but to pull out of his first UFC title defense, which was scheduled to be against undefeated contender Shavkat Rahkmono in the UFC 310 main event on Dec. 7. Muhammad’s withdrawal puts the UFC in a tricky situation as it traditionally bolsters its final pay-per-view of the year. So, who could slide in as a replacement for UFC 310? Should the UFC consider implementing an interim welterweight title