A pair of pick-ups would bring the party a decisive 17-9 majority in the Western states.
Only four states have had longer periods since Democrats last held both seats.
Utah is one of three states never to elect a sitting or former U.S. Representative to the office of governor.
The 2016 cycle was the first in history in which no state saw its voters split its ticket for these two offices.
Democrats have never nominated a westerner for their presidential or VP slots across the 42 cycles since the first western state voted in a presidential election.
Less than 10 failed U.S. Senate nominees in the direct election era were later rewarded with an appointment to a senate seat.
Only three other governors have made more than one appointment to the chamber during the last 64 years.
Of the nearly 200 appointments made to the U.S. Senate since the ratification of the 17th Amendment, just five had previously served in the legislative body.
Despite crushing the record for the most U.S. Senate matchups between women female nominees in 2018, it is possible the number of women in the chamber will decrease next year.
Over the last 50 years, 41 losing nominees in special elections landed a rematch in the subsequent general election – only six were victorious and just two since 1981.