• San Francisco 49ers nose tackle Mike Purcell (64) returns an interception for a touchdown against the Dallas Cowboys during the first half of an NFL preseason football game in Santa Clara, Calif., Sunday, Aug. 23, 2015. (AP Photo/Tony Avelar)

    Defensive lineman Mike Purcell’s pick-6 highlight for 49ers

    SANTA CLARA, Calif. (AP) — Long black hair swinging from his helmet, 303-pound defensive lineman Mike Purcell — not strong-armed quarterback Colin Kaepernick — provided the highlight touchdown of the night for the San Francisco 49ers.