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Colin Kaepernick ran the read-option play almost perfectly last postseason versus the Packers. Kaepernick had 181 yards rushing by himself, and the team total was 323 rushing yards.
That's called gashing a defense and making it look like Swiss cheese.
The run game was so efficient, that Kaepernick also took to the air for 263 more yards, and the overall total yardage ended up being 579.
If the Packers have any chance in this game, and in future games where teams will deploy the read-option, the defense must be ready to handle this offensive scheme.
The ingredients are there for the defense this year. Rookie defensive end Datone Jones was very effective against teams that ran the read-option versus UCLA. Second-year outside linebacker Nick Perry will be playing at left outside linebacker instead of Erik Walden.
Veteran Johnny Jolly is back after three years out of the NFL, and is playing like he did in 2009, when he was an efficient run-stuffer. The Packers have three other defensive linemen who also play the run well. They are B.J. Raji, Ryan Pickett and C.J. Wilson, who will all be part of a rotation to keep the linemen fresh in this game.
Linebackers like Perry, Clay Matthews, A.J. Hawk and Brad Jones have to be active. They have to make tackles at or near the line of scrimmage, as opposed to well down field. Matthews is known for his pass-rushing skills, but has also become a complete linebacker, both in playing the run and the pass.
Bottom line, the Packers have to prove that they can stop this play effectively on Sunday, otherwise it will be another long day for defensive coordinator Dom Capers and his crew.