Casspi will retire from playing basketball, James Ham of NBC Sports Bay Area reports.
Casspi signed a contract Tuesday with Israeli club Maccabi FOX Tel Aviv, John Askounis of Eurohoops.net reports.
Casspi (knee) was waived by the Grizzlies on Thursday, Michael Wallace of the Grizzlies' official site reports.
An MRI revealed Friday that Casspi has a tear in his right meniscus that will require surgery.
Casspi (knee) has been ruled out for Friday's game against the Hornets.
Casspi (knee) has been ruled out for Wednesday's game against the Timberwolves.
Casspi (knee) has been ruled out for Monday's game against the Nuggets, David Cobb of The Memphis Commercial Appeal reports.
The Grizzlies list Casspi (knee) as doubtful for Monday's game against the Nuggets.
Casspi (knee) won't play in Saturday's game against Indiana, David Cobb of The Memphis Commercial Appeal reports.
Casspi (knee) is listed as doubtful for Saturday's game against INdiana.