Synonyms to pinch hit

act for, answer for, appear for, back up, change places with, commission, crowd out, cut out, deputize, displace, double for, fill in for, front for, ghost, ghostwrite, pinch-hit for, relieve, replace, represent, speak for, spell, spell off, stand in for, subrogate, substitute for, succeed, supersede, supplant, swap places with, understudy, understudy for