Saric, 26, spent last season on the Suns becoming a key bench player by the conclusion of the year.
UConn's next scheduled game is against Butler on Dec. 15.
With a full slate of rivalry games on schedule for Thanksgiving weekend, there have been several matchups postponed or canceled.
Head coach Matt Rhule said Monday he considers McCaffrey to be week-to-week with a shoulder injury.
It's missing some of the usual heavy-hitters, but there's still rivalry games that matter in 2020.