According to oddsmakers at BetDSI, Klay Thompson has the best odds of being the first member of the Golden State Warriors' Big 4.
Thompson is scheduled to become a free agent in 2019, but there have been reports he could sign an extension this offseason at a massive discount.
Draymond Green is scheduled to be a free agent in 2020.
Odds from BetDSI
Klay Thompson -200
Kevin Durant +250
Draymond Green +750
Stephen Curry +2000
None (All players retire w/GSW) +1000