Arsenal manager Arsene Wenger has done his research on Championship Brighton ahead of their FA Cup clash on Sunday.
The Gunners travel to the Amex knowing all about what they are to come against in a potentially tricky tie.
"We have to study them well," Wenger said.
"In the cup, you have to be ready from the start and people like that can always surprise you if you are not ready.
"It is always difficult in the Championship away from home.
"We needed to dig deep to get out with a positive result."
Bradford City co-chairman Mark Lawn says he would like to face Manchester United in the FA Cup for his wife Yvonne who is battling cancer.
After earning a draw against Manchester United in the FA Cup, club chairman Dave Doggett says the money made will be spent on facilities.
Arsenal were made to work for their for their place in the FA Cup Fifth Round, edging out Brighton in a five-goal thriller.