USC has added transfers All-American thrower Brittany Mann and heptathlete Alexa Harmon-Thomas to the USC track and field roster for the 2017 season it was announced today (Sept. 6). USC previously announced a recruiting class of sprinter Michael Norman, sprinter T.J. Brock, hurdler Anna Cockrell, sprinter Kyra Constantine, long jumper Courtney Corrin, sprinter Zaria Francis, hurdler Mecca McGlaston and sprinter twins Kayla and Kyla Richardson.