San Francisco 49ers quarterback Colin Kaepernick led his team to a Super Bowl appearance last season, delivering powerful spirals and dazzling with his speed.

So, what does he do for an encore?

ESPN analyst and retired Philadelphia Eagles quarterback Ron Jaworski believes Kaepernick could set himself apart in all-time NFL history if he keeps up this pace.

"I truly believe Colin Kaepernick could be one of the greatest quarterbacks ever," Jaworski said. "I love his skill set. I think the sky's the limit."

Kaepernick passed for 1,814 yards and 10 touchdowns last season, rushing for 414 yards and five touchdowns in just seven regular-season games.

He set a playoff record with 181 rushing yards against the Green Bay Packers and had four touchdown passes in three playoff games.

Kaepernick has a low-key approach to the game, not being satisfied with his accomplishments.

"I'm working," Kaepernick said. "To me, it's a great honor he said that. I'm very flattered by it. But at the same time, I haven't played a full season yet."

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Aaron Wilson covers the Ravens for The Baltimore Sun.