The Pilgrims' under-23s, supplemented by the inclusion of goalkeeper Louis Chadwick, defeated a more experienced Grimsby Town side having taken the lead through Warburton a minute before half-time.

Alonzi added United's second in the 62nd minute, with Perry sealing the deal deep into stoppage time, as the club won the Senior Cup for the first time since 2006.

Boston (4-2-3-1): Louis Chadwick; Alfie Perry (Ellis Perry-Burdett 90), Sam Warburton, Finley Ging, Josh Doran; Billy Bradley, Jake Thompson (Rueben Fogg 76); Ed Daffern (Rufus Brooks 54), Will Langford, Ezra Aaron (Lewis Greenfield 80); Luca Alonzi. Subs (not used): Oliver Houlston, Stephen Pereira, Zach Marsh (gk).

Referee: Andrew Park.

Attendance: 361 (54 visitors).

PIC: Russell Dossett.