The 38-year-old Trinidad & Tobago international goalkeeper has been out of action for more than a month with back spasms and there are real concerns the problem will be ongoing for the rest of the season.
Shaka joined FC Dallas from West Ham last year, and was due to earn around £110,000 this year - the second highest-paid player on the Dallas roster.
1995/98 N.S.Hislop 71/0 0
Shaka was signed from Reading (£1,575,000) when they failed in the play-off final against Bolton.
He got his Premiership dream and made his debut in the opening game of the season against Coventry.
Tall, but didn't always dominate on corners the way he should.
Still a crowd favourite though.
Went to West Ham.