Kaepernick’s offseason — valuable lessons or waste of time?
Here is my Sunday column. SANTA CLARA Colin Kaepernick looked like a new guy during warmups Friday afternoon. He’d drop back, raise the football to his ear and fling it in one quick, compact motion — up and out. It seemed like a perfect recreation of Aaron Rodgers’ throwing motion, the ideal throwing motion. Kaepernick used have a long, loopy motion. When he threw a football, he’d bring it down…
