Sen. Lindsey Graham (R-S.C.) is about to get two more primary challengers, making for a crowded GOP primary.

(Alex Wong/Getty Images)

State Sen. Lee Bright, and the first female graduate of The Citadel, Nancy Mace, are both set to announce their candidacies against Graham, according to The State.

Bright said Thursday that he will enter the race in the next two weeks, while Mace has set an announcement for Saturday at 9 a.m.

Already in the race is former congressional candidate Richard Cash.