Craig Elliott’s side were beaten 3-2 at Evo-Stik Northern Premier Division newcomers Basford United but Wafula won the visitors a penalty, which was converted by a trialist, before scoring the Pilgrims’ second goal after the break.
Nathan Watson, Liam Hearn and James Reid struck the decisive goals for a Basford side managed by ex-Pilgrims Martin Carruthers and Mark Clifford.
Boston (4-4-2): Dylan Parkin (George Willis 46); Trialist A, Ryan Qualter (John McCombe 46), Ben Middleton, Jordan Gough (Nathan Arnold 46); Jonathan Wafula (Trialist E 70), Grant Roberts (Brad Abbott 46), Spencer Harris (Andi Thanoj 46), Ashley Jackson; Trialist B (Trialist D 60), Trialist C (Trialist F 70).