The leg-spinner got injured while fielding in the WBBL game against Adelaide Strikers on Wednesday (October 20). Wareham injured her left knee, which the scans have revealed as an ACL rupture as the 22-year-old have had a synthetic (LARS) ligament reconstruction in the same knee.
Cricket Australia and Cricket Victoria have reportedly said that the medical staff will be working with Wareham to put her rehabilitation plan in place.
Pip Inge, the Australian Team Doctor, said that Wareham already had an ACL rupture in the same knee when she was 14, which was reconstructed using a synthetic (LARS) ligament.
"Whilst in the field yesterday, she had an instability episode of the left knee resulting in a rupture of the graft. As a result, she will be unavailable for the remainder of the WBBL season."
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"Cricket Australia and Cricket Victoria medical staff are working in consultation with Georgia on the longer-term management plan," Inge said.
Wareham has had a tough time with injuries over the last 18 months. During WBBL06, she was ruled out mid-season due to a bone stress reaction in her shin. After recovering from that injury, the leg-spinner made a comeback in the multi-format series against India.
Though she got limited opportunities to bowl in the ODIs and pink-bell Test, Wareham was impressive in the T20I series against India. She had signed a three-year deal with Renegades and was appointed as the deputy to Sophie Molineux ahead of the season.
However, the unfortunate knee injury means that Wareham might have a long road ahead in rehabilitation and recovery. With the home Ashes and ODI World Cup lined up early next year, it seems like the leg-spinner could miss both the high profile tournaments at the moment.