Saints might feel lucky to have come away from this match with a point.
A goal-line clearance by Steven Davis, a penalty miss by Harry Arter and some awful finishing by Benik Afobe meant Saints' goal remained intact here.
Saints had their own chances, but were unable to make any of them count.
Claude Puel's men had the best of the first-half action, but Cherries came out after the break with real desire.
Both sides toiled in front of goal, but never made the breakthrough.
Points shared.
Chief Photographer Stuart Martin was at St Mary's, so be sure to check out the pictures above.
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