Sunday’s action in the National Super League (NSL) features some vital duels in the fight to avoid relegation and a crucial match in the race for promotion to the top tier.Although Naivas were tipped to flourish in the league this term, Collins Omondi’s side has disappointed in recent weeks, with seven games left to play this season.Last weekend’s loss to Mathare United marked their sixth consecutive match without a win, dropping them further out of contention for the top tier.##NAJAVA_MECA_8109571##Their visit to Serani Sports Club should be the toughest, with hosts Mombasa Elite heading into the game on a three-match unbeaten run that has lifted them out of the relegation zone.All points for Patrick Nyale’s side could see Elite cross the 30-point mark, placing them closer to safety while further dragging Naivas out of the FKF Premier League brackets.Under Omondi’s guidance, Naivas will rely on their previous record against Elite for hope, having won two of their last five meetings, with the other three ending in draws.Victory for Naivas would bring them to third place with 62 points, above third-placed Nairobi United.MCF vs. SilibwetBottom-placed Silibwet Leons have taken only one point from their last four games and face a difficult visit to Mully Children Family (MCF FC), who sit twelve points above the relegation zone and are undefeated in four league games.The return of coach Jeff Mutai may invigorate the Leons, who need maximum points to keep alive their hopes of remaining in the second tier next term.A win would see them move up a place on the table, while maximum points for Vincent Nyaberi’s charges would bring them three points closer to the top ten.Firat, Austin Odhiambo bury hatchet as midfielder returns to national teamKajiado FC vs. Kisumu All StarsThe Wolves Den in Kajiado hosts a significant game that will impact both ends of the table as Kajiado faces Kisumu All Stars.With only 26 points this season, Kajiado must win this game to escape the bottom three, as failure to secure all three points would be disastrous.Fifth-placed All-Stars, with 50 points, aim to return with maximum points to bring them closer to the top four and reignite their fading promotion hopes.Kajiado showed fighting spirit in their defeat against Kibera Black Stars last weekend, and Francis Xavier’s men are determined to edge towards safety.Defeat for Oburu and Calabar in Zambia as Mandela misses action in South AfricaA win over Charles Bruno’s team would end their three-game winless stretch and lift them out of the drop zone at the expense of seventeenth-ranked Mulembe United.