Keith Andrews manager of Brentford applauds the fans at full time

Keith Andrews manager of Brentford applauds the fans at full time

Fabio Carvalho of Brentford applauds the fans at full time

Michael Kayode of Brentford applauds the fans at full time

Keane Lewis-Potter of Brentford applauds the fans at full time

Fabio Carvalho and Keane Lewis-Potter of Brentford applaud their fans at full time

Brentford applaud their fans at full time

Brentford fans celebrate at full time

Brentford fans celebrate at full time

Christy Pym goalkeeper of Grimsby Town

Carabao Cup sleeve badge worn by Cameron McJannet of Grimsby Town

Carabao time added board

Dejected Grimsby Town players

Puma Carabao Cup ball

Darragh Burns of Grimsby Town

Mathias Jensen of Brentford and Evan Khouri of Grimsby Town

Grimsby Town fans arrive

Grimsby Town fans arrive

Grimsby Town fans arrive

A sign for the away dressing room

Grimsby Town fans arrive

Grimsby Town fans arrive

Grimsby Town fans arrive

Grimsby Town fans arrive

Nathan Collins of Brentford applauds the fans at full time

Keith Andrews manager of Brentford applauds the fans at full time

Keith Andrews manager of Brentford applauds the fans at full time

Nathan Collins of Brentford celebrates after scoring the team's fifth goal

Nathan Collins of Brentford celebrates after scoring the team's fifth goal

Nathan Collins of Brentford celebrates after scoring the team's fifth goal

Nathan Collins of Brentford celebrates after scoring the team's fifth goal

Nathan Collins of Brentford celebrates after scoring the team's fifth goal

Nathan Collins of Brentford scores the team's fifth goal

Nathan Collins of Brentford scores the team's fifth goal

Fabio Carvalho of Brentford is fouled by Evan Khouri of Grimsby Town resulting...

Fabio Carvalho of Brentford celebrates with team mates after scoring the...

Fabio Carvalho of Brentford celebrates after scoring the team's fourth goal...

Fabio Carvalho of Brentford celebrates after scoring the team's fourth goal...

Fabio Carvalho of Brentford celebrates after scoring the team's fourth goal...

Fabio Carvalho of Brentford celebrates after scoring the team's fourth goal...

Fabio Carvalho of Brentford scores the team's fourth goal from a penalty

Dango Ouattara of Brentford and George McEachran of Grimsby Town

Reiss Nelson of Brentford celebrates after scoring the team's third goal

Reiss Nelson of Brentford scores the team's third goal

Rico Henry of Brentford and Jaze Kabia of Grimsby Town

Rico Henry of Brentford and Jaze Kabia of Grimsby Town

Keane Lewis-Potter of Brentford scores celebrates after scoring the team's...

Keane Lewis-Potter of Brentford scores the team's second goal

Mathias Jensen of Brentford celebrates with team mates after scoring the...

Mathias Jensen of Brentford celebrates with Frank Onyeka of Brentford after...

Mathias Jensen of Brentford celebrates with Frank Onyeka of Brentford after...

Mathias Jensen of Brentford scores the team's first goal

Mathias Jensen of Brentford scores the team's first goal

Mathias Jensen of Brentford scores the team's first goal

Fabio Carvalho of Brentford and George McEachran of Grimsby Town

Charles Vernam of Grimsby Town and Benjamin Arthur of Brentford

Keith Andrews manager of Brentford

Grimsby Town fans arrive before kick off

Grimsby Town fans arrive before kick off

Grimsby Town fans arrive before kick off

Grimsby Town fans arrive before kick off

Grimsby Town fans arrive before kick off

Grimsby Town fans arrive before kick off

Brentford players arrive before kick off

Grimsby Town players meet fans outside before kick off

Grimsby Town players meet fans outside before kick off

Grimsby Town players meet fans outside before kick off

A general view before kick off