St Helens produced a blistering second-half performance to stun Wakefield Trinity with a 46-16 victory and keep their slim Super League play-off hopes alive.

Saints, who have never failed to make the post-season, came into the match on a run of three defeats in a row and five losses in six, leaving them six points off the top six.

The visitors slipped 10-0 down to fourth-placed Wakefield and trailed 16-12 at half-time but then ran in six unanswered tries in the second period.

Tristan Sailor's brace completed his hat-trick while Lewis Murphy added to his first-half score and Jake Davies touched down twice in the closing stages to move St Helens to within four points of sixth-placed Leigh Leopards with four games remaining.

Wakefield, who lost Josh Rourke and try-scorer Isaiah Vagana to injuries inside the first quarter of an hour, missed the chance to move two points behind table toppers Leeds as they suffered a sixth successive defeat to Saints and slipped to back-to-back home losses after last week's narrow reverse against the Rhinos.

Trinity coach Daryl Powell called his side's capitulation "unforgivable", saying: "There was a lack of effort, almost, at the end. It's really disappointing. The second half last week and the whole game today, I don't think we're in a great place."

Wigan moved level on points with leader Leeds as they scored six tries in a 34-6 victory at lowly Bradford.