Colin Kaepernick worked with Kurt Warner during the offseason to work on his throwing mechanics, quarterback skills and more.
Former NFL quarterback Trent Dilfer broke down Kaepernick's game while studying film for the 49ers and Vikings Monday Night football matchup.
Dilfer pointed out some improvements in the signal caller's game as well as some concerns.
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Whether Kaepernick can put it all together in 2015 is something to watch.
(h/t Niners Nation)