Spirited St Johnstone endured an anxious wait at full-time before learning that their 2-1 win away to Motherwell was enough to secure their Premiership survival for a 16th successive season.
On the day Ukraine's Oleksandr Usyk won the undisputed heavyweight title, fellow Ukrainian Denys Berinchyk defeated Emanuel Navarrete by split decision to win the vacant WBO lightweight world title.