Complex sentence: Their first year in the newly formed Southern Conference, the Commodores tied for the conference championship with North Carolina and Georgia Tech. Vanderbilt sat atop a conference for the second year in a row, tying with Georgia for the SIAA title in 1921.
Split into simpler sentences: Their first year in the newly formed Southern Conference, the Commodores tied with North Carolina and Georgia Tech for the conference championship. Vanderbilt had sat atop its conference for the second year in a row, tying with Georgia for the SIAA title in 1921.