Final answer:
Ole Miss was led to winning their 5th SEC championship in school history in 1971 under the leadership of head coach Johnny Vaught.
Step-by-step explanation:
In 1971, Ole Miss won its 5th SEC championship in school history. The team was led by head coach Johnny Vaught. Vaught was a highly successful coach for the Ole Miss Rebels, leading the team to numerous championships and bowl appearances.
Under his leadership, the team had a strong defense and an efficient offense, which contributed to their success in winning the SEC championship in 1971.