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SANTA CLARA -- Colin Kaepernick’s first significant NFL playing time came against the St. Louis Rams in 2012.
Since then, Jeff Fisher’s team has lined up against Kaepernick four full games.
Three weeks ago, Kaepernick threw for a season-high 343 yards and three touchdowns in the 49ers’ 31-17 victory over the Rams. The teams face off again on Sunday at Levi's Stadium.
"They’re doing a lot more with him than they did early on, which is the natural progression for a quarterback," Fisher said on a conference call with Bay Area media. "He’s doing it well. He’s got control of the offense. He’s making good decisions. He trusts his legs and he makes all the throws.
"He’s extending drives on third downs either with his arm or his legs, which makes him especially hard to defend."
Fisher said Kaepernick has improved his all-around game, including his accuracy. Kaepernick is completing a career-best 63.8 percent of his passes.
"He’s going to make the right decision,” Fisher said. “He’s done that since stepping on the field a couple years ago. He’s looking downfield always to make a play, and if he’s not there he can go and hurt you defensively."