Leeds Rhinos and Wigan Warriors are set to clash in a crucial Super League match at Headingley on Saturday (20:00 BST), a game that could decide the League Leaders' Shield. Both teams are on 40 points from 25 matches, but Leeds hold a 174-point advantage in the points difference, giving them the edge in the race for the title. A win for Leeds would effectively secure the Shield, while Wigan will need to win and hope for results from other games to stay in contention. Leeds will face Hull FC in their final regular-season game the following week, while Wigan will host Catalans Dragons. Warrington, currently third in the table and two points behind the top two, are still in the race but would need a highly improbable outcome due to their weaker points difference. Leeds are aiming to win the League Leaders' Shield for the first time since a dramatic final-day victory at Huddersfield Giants in 2015, which secured them the title ahead of Wigan. Head coach Brad Arthur has called the match "a Grand Final before a Grand Final," emphasizing its importance. He said his team is "up for the fight" against Wigan, who have won their past 13 Super League matches and defeated Leeds 24-4 in the reverse fixture in May. Arthur stressed that this is a significant opportunity for Leeds, noting it would be his first piece of silverware with the club since taking over in July 2024, and the club's first since the Challenge Cup in 2020. Wigan, meanwhile, are looking to win a second competition this season after lifting the Challenge Cup in May. Under head coach Matt Peet, the club has won two Grand Finals and two League Leaders' Shields in the past four years. However, Peet does not believe their big-game experience will be the deciding factor in Saturday's match. He said, "I think it's very much whichever team plays well on the night," and pointed out that both sides have experienced players who have performed in high-stakes games. Leeds have included returning winger Maika Sivo in their 21-man squad for the match, though Arthur suggested he is more likely to play in the final regular-season game against Hull FC. Sivo, who missed the past five games with a broken arm, is the Super League's leading try scorer this season, with 29 tries from 19 appearances. Wigan have also named forward Junior Nsemba, who has been sidelined since 5 July with a hamstring injury, in their squad. Peet confirmed that Nsemba "will feature" in Saturday's game, adding depth to Wigan's forward line.