There's a downside to receiver Michael Crabtree's career-best performance in the San Francisco 49ers' 27-13 victory over the Arizona Cardinals on Sunday.
The 172 receiving yards and two touchdowns tossed his way by quarterback Colin Kaepernick may reveal just how one-dimensional the 49ers offense has become, hardly the image a Super Bowl contender wants to carry into the playoffs.
"I thought Michael and Kaepernick really got us going," 49ers coach Jim Harbaugh said. "That was a great spark those two guys gave us. We have belief and confidence in a lot of guys."
But that cast has shrunk in recent weeks due to injuries, making Sunday's victory all that more vital. The win clinched a second consecutive NFC West title for the 49ers and about a half-an-hour later they secured the No. 2 seed in the NFC -- and the first-round bye that comes with it -- as the Minnesota Vikings edged the Green Bay Packers, 37-34.
The 49ers are slated to host the Divisional Playoff game at Candlestick Par...