By Yawu Miller

Jamaica Plain Rep. Jeffrey Sanchez and South End Rep. Byron Rushing are facing their first challengers in years. Rushing’s opponent, Jonathan Santiago, is a physician working at Boston Medical Center who is active in progressive causes and in the Ward 9 Democratic Committee. Sanchez’s opponent, Nika Elugardo, a former legislative aide to Sen. Sonia Chang-Diaz, has led anti-human-trafficking and youth violence prevention campaigns.