Grant Cohn: Jaguars offer opportunity for 49ers to test-drive a
few options  The 49ers should give Gore the week off. Why not?
The Jaguars have the worst run-defense in the league. They can't
hold their ground against the 49ers' elite offensive line.
Last season, Hunter averaged more than 5 yards per carry before
he tore his Achilles' tendon. This season, he's averaging less
than 4 yards per carry and just five carries per game. The 49ers
should give him 30 carries against the Jaguars. Build the young
running back's confidence.  Build Kyle Williams' confidence,
too. He's the No. 2 receiver and Colin Kaepernick has thrown him
only four passes the past four games.    To use a basketball
metaphor, it's like the 49ers are freezing out their starting
two-guard the whole game and then asking him to hit the game-
winning shot at the end.  This Sunday, the 49ers should get the
ball in Williams' hands in the first quarter, get him some
layups. He'll be facing one of the worst cornerbacks in the NFL,
Alan Ball, who ha