Not much likely in a statewide office like Senator. John Bel Edwards got in by fake name recognition ("Edwards") and his rep as a Navy Seal...not a combination easy to duplicate.
I gave Bel Edwards no chance in both statewide races and he won by comfortable margins. However, I do understand that Louisiana votes have different standards for their statewide officials than they do their federal officials. I just would not count Bel Edwards out, especially now that there is no reason at all to vote for Cassidy.