Current key senate rates

Talarico {D} leads Paxton {R} by 2.9% in Texas
Jaskdon {D} leads Collins {R} by 3.0% in Maine
Brown {D} leads Husted {R} by 2.9% in Ohio
El-Sayed {D} leads Rogers {R} by 4.2% Michigan
Peltola {D} leads Sullivan {R{ by 3.1% Alaska
Hamilton {D} leads Marshall {R} by 2.7% Kansas

In essence the Dems need to pick up at least three of these seats if they want to take the Senate