Jerod Smith was already a legitimate four-star talent when he arrived on the University of Kentucky’s campus back in January as a mid-year enrollee. But in order to play football in the Southeastern Conference, you can’t coast on what worked in high school. Smith learned that quickly and has used the last several months to improve his body. “I had to gain about 25 pounds this year to be able to play defensive line in the SEC,” Smith told KSR at Media Day last week. “That’s what I had to do.” Smith — who is the “older” twin brother (by 15 minutes) of Jacob Smith, also a four-star recruit and cu…