Reports are emerging across the Tasman the veteran half is weighing up his options despite being just over half a season into a two year deal.
The Warriors have lost six straight - languishing in 14th on the NRL ladder.
Daily Telegraph reporter David Riccio has told Fox Sports the looming representative round and Warriors homecoming in July will be critical in deciding Johnson's next move.
Interim coach Stacey Jones has named teenager Ronald Volkman to partner Johnson in the halves for Saturday's clash with the high flying Penrith Panthers.
NRL WITH PIT STOP. IF A DASH WARNING LIGHT'S SHOWING, THEY'LL FIX IT.
