U.S. Senator Marsha Blackburn commands 89% implied probability in the Tennessee Republican gubernatorial primary market, driven by consistent polling dominance, including a March 24 Cygnal survey projecting a landslide win and earlier February polls showing her at 61% support among likely voters. Her March 6 filing of a record-breaking nominating petition with 3,011 signatures from all 95 counties underscores strong grassroots momentum and statewide name recognition as the incumbent senator. Congressman John Rose holds second at 6%, buoyed by prior straw poll victories but trailing in single digits amid low visibility, while State Representative Monty Fritts garners 4.5% following a recent claim of Blackburn declining a debate. With the August 6 primary months away, traders weigh her frontrunner status against potential shifts from upcoming debates or scandals, reflecting the wisdom of crowds in this deeply Republican state where incumbency and conservative credentials favor the leader.