Some quotes now from Tranmere boss Micky Mellon: "Watford are a very good side, regardless of whoever is going to play. At the end of the day, the 11 that they bring in - they're 11 Premier League players.

"You don't get that opportunity every week. You obviously know they have a lot of qualities but what you've got to believe is they're human beings and on any given day, it just might be your day.

"To be able to go out and play a Premier League team at Prenton Park underneath the floodlights should be very exciting for us.

"We all know the prize - for us that's massive. For Watford, it may not be because they're in the same league [as potential fourth-round opponents Manchester United]. But for us, the opportunity to be able to go and grab that, no more motivation should be needed."

Stevie Fairbairn: 1986 Watford played Arsenal 2 days in a row - Highbury on Monday, Vicarage Road on Tuesday. Result - 2 Watford wins. Happy days.

With the Watford squad numbers on display tonight it's more like an NFL game. Numbers 35, 41, 42, 44 and 51 are among the starters, with the bench made up of players from 30-72.

No 1-11 for the Hornets, not tonight.

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This pitch is going to be a challenge for both sides. Huge amounts of sand down both flanks is going to cause chaos for any wide player tonight.

Throw in the fact it's foggy and throw in the fact it's a completely changed Premier League team.

All the ingredients needed for a cup shock?

We've got live commentary of both matches on the BBC tonight. BBC Radio 5 Live is the place for Wolves v Liverpool, while BBC Radio 5 Live Sports Extra is the place for our game of Tranmere v Watford, with Conor McNamara and Stephen Warnock on duty.

Of course, this is not the only football being played tonight as runaway Premier League leaders Liverpool look to move 16 points clear.

Jurgen Klopp's men have a tough task though as they are away at Wolves and you can follow that one over here.

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Just the one change for Tranmere as Corey Blackett-Taylor replaces Alex Woodyard in midfield.

The Rovers XI includes the experienced Neil Danns, formerly on Crystal Palace and Bolton and now aged 37.

Goalscorers from the first game, Connor Jennings and Manny Monthe, start with scorer of the equaliser in the 3-3 draw, Paul Mullin, on the bench.

Watford have made 11 changes from the loss at Aston Villa in the Premier League.

The most recognisable names in the team are Christian Kabasele and Jose Holebas in defence and Andre Gray up front.

Teenagers Bayli Spencer-Adams (in defence) and Joao Pedro (up front) start, along with Mason Barrett (at right-back) and Joseph Hungbo and Tom Dele-Bashiru (in midfield).

The average age of the side is 23.

Nigel Pearson has also resisted having any of his front-line players on the bench, going for a group of largely untested youngsters.

As always we want you to get involved so, with Watford having to play for the third time in six days, we want you to tell us your stories of fixture congestion.

Have you ever had to play twice in the same day? Have you supported your team on two away trips in only a few days? Any other stories?

Get involved using the hashtag #BBCFACup and we will put your comments in this page throughout the evening.

This game was originally scheduled to be played on 14 January, however a waterlogged pitch at Prenton Park meant it had to be rearranged to tonight, forcing Watford to be playing for the third time in six days after drawing 0-0 against Tottenham on Saturday and then losing 2-1 at Aston Villa on Tuesday.

It's also the Hornets' EIGHTH game since Christmas!

While Watford are at the end of their three games in six days run, Tranmere are just starting their one. After today they have Blackpool away on Saturday and Sunderland at home the following Tuesday.

So how did we get here?

Well, watch highlights below from the first match as Tranmere fought back from 3-0 down at Watford to earn a replay.

Available to UK users only.

Hello and welcome along to BBC Sport's coverage of the FA Cup third-round replay as Tranmere Rovers, 21st in League One, entertain a Watford side who are 19th in the Premier League.

There is one spot to be filled in the fourth round with the winners of this one taking on Manchester United at home in the next phase.

We play to a finish tonight so we may well have extra time and penalties to look forward to as well.

It looked like being a very routine FA Cup third-round tie for Watford as they stormed into a 3-0 lead at home against Tranmere...

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...but the League One strugglers had different ideas as they scored three goals in the last 25 minutes to force a replay.

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