The Pilgrims held the lead 3 times, courtesy of first half targets from Keaton Ward and Adam Marriott and an extra second half effort from Ward.
Harvey Vincent, Luca Thomas and Alfie Cresswell scored Leeds equalisers – with Thomas netting his second and the guests’ fourth 5 minutes from time to safe victory for the guests.
Oliver Nicholson, Jude Frostick and Harvey Tomlinson had been handed United debuts forward of kick-off – and the hosts took a 14th minute lead, with WARD rifling house a agency drive from exterior the penalty space.
Leeds responded instantly and equalised a minute later with VINCENT tapping house on the again put up following a swift raid down the left.
The Pilgrims re-took the lead six minutes earlier than the break, with Ward clipping MARRIOTT away down the left, who shrugged off his opponent, skipped infield and beat Rory Mahady at his close to put up with a exact, low end.
The house facet held their benefit till the 54th minute when THOMAS crashed house a second Leeds equaliser from 20 yards.
The Pilgrims took the lead for the third time within the 76th minute when WARD stabbed the ball house from 30 yards, having discovered area in behind the Leeds rearguard, with the onrushing Mahady caught out.
The Whites levelled for as soon as once more seven minutes from time, with CRESSWELL glancing house a nook supply on the again put up.
Leeds sealed all three Group C factors with 5 minutes to play when THOMAS rifled house his second of the night time.
Boston (4-4-2): Ellis Craven; Oliver Nicholson, Jai Rowe (Billy Bradley 67), Tom Leak, Cameron Inexperienced (Ellis Perry-Burdett 60); Dan Mooney (Will Inexperienced 74), Keaton Ward, Jude Frostick, Harvey Tomlinson; Adam Marriott (Charlie Burden-Whittleton 60), Pemi Aderoju (Harry Wooden 74). Subs (not used): James Owen, Luca Alonzi.
Leeds (4-4-2): Rory Mahady; Alfie Cresswell, Reuben Lopata-White, Jeremiah Mullen, Kristan Moore; Harvey Vincent, Daniel Toulson (Max McFadden 57), Cian Coleman, Coban Chook (Josh McDonald 73); Luca Thomas (Oliver Pickles 89), Rhys Chadwick. Subs (not used): Alex Baird, Louie Dudley, Joseph Billett, Lewis Pirie.
Referee: Jamie O’Connor.
Attendance: 467.
PIC: Chris Bray.