Arsenal midfielder Declan Rice says he "didn't like" the reaction online from some fans about the signing of Noni Madueke from Chelsea, but backed the winger to "shock" with his talent.
Madueke, 23, joined for an initial £48.5m last week as Arsenal look to increase their attacking options.
However, the signing caused a backlash, with the hashtag #NoToMadueke posted across social media, and a petition started which had more than 5,000 signatures.
"I know how driven he is," Rice said after Arsenal's 1-0 pre-season win over AC Milan in Singapore.
"I've spoken to him and you're going to see what he's about this season.