Danny Trevathan and the Broncos finished first in the AFC West in 2015 .
Trevathan left in the second half after suffering a concussion and was unable to play the following game ( Week 14 ) .The Denver Broncos finished the 2015 season first in the AFC West with a record of 12-4 , clinching a first round bye and home field advantage during the process .
Danny Trevathan