Knight, the England captain, is eligible for retention by Sydney Thunder having originally been due to join last season before being ruled out by injury.
Ecclestone, who is the No.1-ranked bowler in ODIs and T20Is, was a key part of Sydney Sixers’ run to the final in 2022-23 where she claimed 20 wickets at 17.90 with an economy of 6.29 while made her runs at a strike-rate of 159.49.
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Alice Capsey, one of the most exciting young batters in the game, is also in the mix and played for Melbourne Stars last season.
How retention picks work
Players in both the WBBL and BBL overseas player drafts will be an eligible retention player if they fit any of the following criteria:
- Have been in a Big Bash squad for a minimum of two seasons and haven’t been contracted to another team since
- Have been in a Big Bash squad the previous season
- Was in a team squad last season but did not play in the starting 13 and have been approved by the Big Bash Technical Committee
- Is otherwise approved by the Big Bash Technical Committee due to exceptional circumstances
Source: ESPN Crickinfo