The Steelbacks are additionally attempting to barter the return of South Africa batter Matt Breetzke for the go to of the defending champions to Wantage Highway.
The appropriate-hander had an excellent group section, topping the membership’s run-scoring chart with 460 runs, together with 4 half-centuries.
Sadler mentioned the membership have been “hopeful” Breetzke, who’s away along with his nation on their white-ball tour of the West Indies, will come again.
“We’re undecided how that is going to pan out,” Sadler mentioned.
“We clearly wish to get him again as a result of he’s been good for us however we’ll see the way it unfolds.
“I do know he’s determined to return again however he is on the verge of taking part in for South Africa in all three codecs in order that’s understandably his fundamental driver.
“I additionally know that he so needs to return again and play for us that he is blissful to fly in, play and fly again out however that may be a scenario that we’ll have to barter with Cricket South Africa.”