McGrath outraised McConnell in the first quarter of this year, reporting she received $12.8 million while the Republican incumbent raised $7.8 million. She now edges out McConnell in total fundraising, bringing in nearly $30 million to his $25.6 million. The Senate majority leader is projected to win the seat but by a narrow margin, according to polling data analyzed by FiveThirtyEight.
https://www.opensecrets.org/news/2020/04/mcconnell-falls-kentucky-small-donors-flock-to-mcgrath/
Generally whoever has the most money wins, strike up another thing to reform, out of state donations to candidates.