Sanchez deal excites Walcott
Arsenal winger Theo Walcott believes he and Alexis Sanchez can form a potent partnership that will strike fear into opposition defences next season.
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Sanchez joined the Gunners for a fee in the region of £35million from Barcelona, where he scored 47 goals in 141 appearances.
The 25-year-old forward also scored two goals for Chile at this summer's World Cup in Brazil.
"Sanchez is a world-class player and I enjoyed watching him play for Barcelona and for Chile at the World Cup," Walcott told Arsenal Player.
"He's still very young as well and he is going to show so much pace and power, which we lacked a bit last year.
"With me and him on the flanks, a lot of teams won't be looking forward to playing Arsenal this year."
The signing of Sanchez represents something of a coup for Arsenal, who splashed out £42.4m on Germany midfielder Mesut Ozil last year.
Walcott believes both transfers demonstrate the ambition of the club and admits he is excited to see who else will be brought in.
"There's a great buzz around the club at the moment," Walcott said.
"He is a marquee signing and something that the club has pushed on to - first you had Mesut Ozil and now it is Alexis Sanchez. Who knows where it is going to stop?
"It is great to learn from these players, and I cannot wait to play alongside him. I am really looking forward to it."
Walcott is returning to fitness after rupturing the anterior cruciate ligament in his left knee during Arsenal's FA Cup third-round victory against Tottenham in January.
The England winger refused to set a date for his comeback but insists he is pleased with the progress he has made.
"The knee is going really well, I am doing some good stuff with the physios and fitness coaches and we have worked really hard throughout the summer," Walcott said,
"Things are looking really good and I have worked very hard for the last five months now.
"The most important thing is getting the strength back and it has pretty much nearly healed - it is just about building up that stability and strength again.
"It is coming along nicely and I am really pleased."