![Ryan Hall, bottom, defeats BJ Penn with knee bar during the first round of a lightweight mixed martial arts bout at UFC 232, Saturday, Dec. 29, 2018, in Inglewood, Calif. (AP Photo/Kyusung Ryan Hall, bottom, defeats BJ Penn with knee bar during the first round of a lightweight mixed martial arts bout at UFC 232, Saturday, Dec. 29, 2018, in Inglewood, Calif. (AP Photo/Kyusung](https://www.reviewjournal.com/wp-content/uploads/2018/12/11602509_web1_UFC-232-Mixed-Martial-Arts.jpg)
Ryan Hall, bottom, defeats BJ Penn with knee bar during the first round of a lightweight mixed martial arts bout at UFC 232, Saturday, Dec. 29, 2018, in Inglewood, Calif. (AP Photo/Kyusung
![Sherdog on Twitter: "#UFC232 highlight video: Watch Ryan Hall submit B.J. Penn https://t.co/zvskaYdBQI https://t.co/Cvmxxb2OI0" / Twitter Sherdog on Twitter: "#UFC232 highlight video: Watch Ryan Hall submit B.J. Penn https://t.co/zvskaYdBQI https://t.co/Cvmxxb2OI0" / Twitter](https://pbs.twimg.com/media/DvoKCCrXcAM7jFz.png)
Sherdog on Twitter: "#UFC232 highlight video: Watch Ryan Hall submit B.J. Penn https://t.co/zvskaYdBQI https://t.co/Cvmxxb2OI0" / Twitter
![UFC on BT Sport on Twitter: "BJ Penn gets another shot in the UFC... This time the MMA legend finds himself up against Ryan Hall at #UFC232 on the back of a UFC on BT Sport on Twitter: "BJ Penn gets another shot in the UFC... This time the MMA legend finds himself up against Ryan Hall at #UFC232 on the back of a](https://pbs.twimg.com/media/Dm76Bu1UUAIMJ3n.jpg)
UFC on BT Sport on Twitter: "BJ Penn gets another shot in the UFC... This time the MMA legend finds himself up against Ryan Hall at #UFC232 on the back of a
![Throwback: Ryan Hall executes the imanari roll perfectly into the heel hook to submit Bj Penn. New School vs Old school. : r/bjj Throwback: Ryan Hall executes the imanari roll perfectly into the heel hook to submit Bj Penn. New School vs Old school. : r/bjj](https://preview.redd.it/nnu9ls207pr41.gif?format=png8&s=d769c5d31b1b21542b86c4ea47a4ff12e30fcc66)