BYRON — Last October, Jordan Heimer knew there was a possibility he had played his final football game with his older brother, Carson. Jordan Heimer, the youngest of four boys and a soon-to-be Byron High School senior, announced his verbal commitment to play Division II football at Minnesota State University-Mankato on June 26, where Carson is set to play and attend classes this fall. Meaning, the dynamic duo could reunite on the gridiron in Man…