Mann suffered the concussion late in the second half of the 23rd-ranked Seminoles' loss to Louisville on Wednesday. The 6-foot-6 junior tied a career high with 25 points in the defeat.
Mann is averaging 15.1 points and 6.2 rebounds for Florida State (12-4, 1-3 Atlantic Coast Conference), which has dropped its last two games. He was averaging 17.3 points in his last three games.
Trent Forrest , a 6-5 sophomore, took Mann's place in the starting lineup and got his first career start.
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