Leyton Orient midfielder Dean Cox insists they will have no fear of Arsenal when they meet in the FA Cup this weekend.
The League One outfit welcome Arsene Wenger's Arsenal to the Matchroom Stadium for a London derby in the fifth round of the FA Cup on Sunday aiming to cause a major shock.
The Os have already knocked high-flying Championship duo Norwich and Swansea on the way to the fifth round and Cox believes they go into the Arsenal game with confidence high in the camp, despite the Gunners' stunning midweek success over Barcelona in the UEFA Champions League.
"We are buzzing about playing a team of the calibre of Arsenal," Cox told skysports.com.
"A fair few of the boys in the team are Arsenal fans so they are over the moon at playing them.
"We are on a decent run at the minute and if we play like we can and Arsenal have an off day or our goalkeeper has a 'worldie' then you never know what might happen.
"Obviously we have beaten two Championship sides who are both trying to get to the Premier League to get here so that has given us a lot of confidence.
"The game is a sell-out with it being Arsenal and all and the big crowd will only help spur us on in the game."
Cox, who has been nominated in the Mitre Goal of the Year award for his stunning strike against Huddersfield earlier this season, admits the match is the most monumental of his time as a footballer.
"It has got to be the biggest game of my career so far," added Cox. "It is a massive game and to come up against the likes of Fabregas and Van Persie is exciting."
Highly-rated winger Cox is set to come up directly against either Bacary Sagna or Emmanuel Eboue in the game and he is relishing the prospect of pitting his wits against top players.
"I think I will be coming up against Sagna or Eboue and they are both very similar in that they are quick and strong, but hopefully I can outwit them," continued Cox.
"I am happy with my form this season. I have been doing alright goal-wise and set up a fair few so whoever it is I come up against on Sunday I will still play the same way I have been playing and hopefully get the same success."
Cox does not feel Orient will have any advantage because of Arsenal's midweek exertions in the Champions League against Barcelona, when Arsene Wenger's men secured a memorable 2-1 victory.
"Well I hope they do feel tired after their game against Barcelona, but they have got such a good squad to rotate players I don't think it will matter much for them," noted Cox.
"They have got players throughout their squad that can come in and do a job, but we are hopeful we can give them a good game."