Since there are six more primaries tomorrow, here is where the delegate counts stand today. My source: RealClearPolitics, which indicates 1991 are needed to win on the first ballot.
670 Biden*These 4 have dropped out of the race. Three of the four have endorsed Biden, Warren has made no endorsement.
574 Sanders
069 Warren*
061 Bloomberg*
026 Buttigieg*
007 Klobuchar*
002 Gabbard