Matt Turner admitted he "didn't do enough" to play regularly for Arsenal, but insisted the move still helped him became the United States' No. 1 goalkeeper.
The 29-year-old made his debut for Nottingham Forest in Saturday's 2-1 defeat at Emirates Stadium after completing a £10 million move from the Gunners earlier in the week.
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Turner played just seven games for Arsenal after signing from the New England Revolution last summer, yet started all four matches for the USMNT at the Qatar World Cup.