By Madison Williams The former 49ers quarterback is reportedly in “the best shape of his life.” View the original article to see embedded media. Former NFL quarterback Colin Kaepernick was seen training with three current NFL quarterbacks on Friday: the Bears’ Justin Fields, Steelers’ Josh Dobbs and Giants’ Tyrod Taylor. A video posted by TopFanTV on YouTube shows Kaepernick throwing the football and running drills with the other quarterbacks on Morehouse College’s football field. This isn’t the first time this week the 34-year-old has been recorded while training. A lot of these opportunities…