By Daniel Bates Colin Kaepernick is putting together some impressive momentum for what could be one last push to return to the NFL. According to football trainer David Robinson, “at least five” different teams have reached out to him about the former 49ers quarterback after seeing him workout. Telling TMZ Sports: A few teams have reached out to me and asked how his arm looked … They have reached out and asked about him. He definitely has the ability to play on somebody’s roster — like, right now. Like, a couple of the guys that were in the session that were on NFL teams were saying that his ar…