Semafor: “While the NRSC is backing 37-year old veteran Tim Sheehy for Senate, Montana Rep. Matt Rosendale would start with a sizable lead if he entered the race, according to polling prepared by J.L. Partners.”
“The poll found Rosendale at 55% in a potential primary against Sheehy, who came in at 19%, while 26% of voters were undecided.”