GAINESVILLE, Fla. – Florida coach Dan Mullen declined to release a roster, openly mocked a predicted depth chart he saw online and refused to delve too deep into his plans for any position — even quarterback.Mullen insisted he’s merely trying to keep his players focused with so much going on around them: football practices, classes beginning, COVID-19 testing amid a global pandemic and social injustice.It might be the sensible approach.It also could be Mullen taking over-the-top precaution as the eighth-ranked Gators get ready to begin a championship-or-bust season.“We have the potential to go compete for a championship and be a championship team,” said Mullen, who is 21-5 in two seasons in Gainesville. “We have that potential.