Head coach Kyle Shanahan absolutely needed to overhaul his special teams unit during the offseason, which is precisely what new coordinator Brant Boyer was tasked with doing.
Even if it took him and Shanahan one game into the regular season to finally change out embattled kicker Jake Moody.
Despite the wholesale changes, the Niners' special teams unit entered Week 4 with plenty of special teams worries, particularly in punt and kickoff coverage, which haven't improved at all since the woeful efforts a year ago under then-coordinator Brian Schneider.
In fact, Week 4's showdown against the Jacksonville Jaguars might have been a new low.