De Gea has been arguably the standout goalkeeper in the Premier League this season, but Seaman feels Courtois had the edge over his Manchester United counterpart.
"For me it's Courtois,” Seaman, 51, told Sky Sports News. "He's been solid and shown his class. At Chelsea you don't get a great deal to do (as a goalkeeper), but when he's been called on he's been fantastic.
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"De Gea had a really dodgy start, but he's shown his character and he's now showing everybody why Manchester United bought him. He's a quality keeper who makes some fantastic saves."
Seaman believes the only mark against Courtois this season was Charlie Adam’s recent 60-yard striker which caught the Belgium international by surprise - but the Gunners’ hero admits such moments will happen to all goalkeepers.
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"Going back to Courtois - apart from the goal he let in against Charlie Adam he's had a great season,” Seaman responded. “I’d tell him: don't worry, it happens to the best of us!"
De Gea and Courtois will go head-to-head at Stamford Bridge on Saturday evening - but who will come out top? Have your say in the comments below!
Mesut Ozil admits he was exhausted earlier this season
Arsenal playmaker Mesut Ozil has admitted he was exhausted at the start of the current campaign, but is happy with his performances since his return from injury.
The German World Cup winner is currently enjoyed his best run of form since joining the Gunners from Real Madrid in September 2013 - and he concedes that adjusting to the rigours of the Premier League has been a struggle.
"At the moment I am pleased with the consistency of my game," Ozil was quoted by The Independent from an interview with Sport Magazine. "I feel I am now playing my best football since joining Arsenal.
"I was exhausted at the start of the season. I started playing professional football at the age of 16 and had never really suffered many serious injuries.
"I guess 10 years of consistently playing football took its toll. I was also struggling with the physicality of this league."
Is Mesut Ozil now back to his world-class best? Tell us by leaving a comment in the box below!
Genius Arsenal fan transforms Fabregas shirt
And finally, one clever Arsenal fan has come up with an ingenious method for fellow Gunners to salvage their old Cesc Fabregas shirts.
Reddit user Fibonacci_ erased the letters ‘F’, ‘A’, ‘R’, ‘A’, and ’S’ in ‘FABREGAS’, using red acrylic paint, which left him with ‘B’, ‘F’ and ‘G’ on the back of his shirt - which is, of course, the nickname of Arsenal’s current No. 4 Per Mertesacker.
Would you consider doing the same thing to your old Cesc Fabregas shirt? Have your say in the comments below!