Racing PositionsColts O-lineman Mewhort retires at age 268YMike WellsQuiet brute Quenton Nelson an enigma to everyone but the Colts8YMike WellsColts stick to philosophy, focus on draft in quiet offseason8YMike WellsFrom knock-kneed to 'nasty,' Quenton Nelson always had an edge8YMike WellsIndianapolis Colts depth chart: Andrew Luck has better O-line8YMike WellsIndianapolis Colts' 2018 draft: Analysis for every pick8YMike WellsHoles on Colts' roster go way deeper than offensive line, receiver8YMike WellsGrading Colts in free agency: Re-signing Adam Vinatieri tops short list8YMike WellsColts re-sign O-lineman Mewhort to 1-year deal8YColts should focus on re-signing Rashaan Melvin in free agency8YMike Wells