Plymouth Argyle goalkeeper David Button is expecting an emotionally charged atmosphere when his side face Exeter City at St James Park on Saturday.
Plymouth travel to their Devon rivals in desperate need of a win as they bid to avoid relegation from League One.
Button told BBC Spotlight: "It's as big a derby as I've seen with other teams in the country so we know how much of a massive game it is.
"They're a decent footballing team as well so it's going to be difficult."
Button has been on loan at Plymouth for the duration of the current season, joining from parent-club Tottenham last summer.
During his time at Home Park, the 22-year-old has made 27 appearances, including an outing in Plymouth's 2-0 win over Exeter in December, giving him prior experience of the Devon-derby.
He continued: "There's a few of their players that we've obviously got to keep an eye on, but obviously we'll focus on ourselves as well.
"We'll try and keep our preparation as normal as we can, the warm-up and everything will be the same so we can just focus on the game."
Plymouth have won both of their last two games, with Button keeping a clean sheet in both to give the administration-hit club an outside chance of avoiding relegation.
"The defence has been great the last two games," Button said. "It's helped that we've kept clean sheets as well, we've looked solid."