Two tips for 49ers to fix red zone issues

Football Outsiders' Vince Verhei takes an in-depth look at the San Francisco 49ers' red zone troubles in his latest Insider piece.

Two recommendations: more Vernon Davis and Kendall Hunter.

Verhei breaks down his reasoning and offers thoughts on the proper run-pass ratios for San Francisco inside opponents' 20-yard line.

Earlier: my look at the 49ers in the red zone, with a chart showing how far the team's touchdown percentage has fallen from previous seasons.