Arsenal's Cedric Soares looks dejected after Nottingham Forest's Lewis Grabban scores their first goal during the match FA Cup Third Round between Nottingham Forest vs Arsenal at The City Ground, Nottingham, January 9, 2022. Arsenal manager Mikel Arteta said his side were not good enough as their hopes of winning a record-extending 15th FA Cup were sunk at the first hurdle by a 1-0 defeat at Championship side Nottingham Forest. REUTERS/Craig Brough

Nottingham Forest's Lewis Grabban scores their first goal during the match FA Cup Third Round between Nottingham Forest vs Arsenal at The City Ground, Nottingham, January 9, 2022. Action Images via Reuters/Carl Recine

Nottingham Forest's Lewis Grabban celebrates scoring their first goal with teammates during the match FA Cup Third Round between Nottingham Forest vs Arsenal at The City Ground, Nottingham, January 9, 2022. Action Images via Reuters/Carl Recine

Arsenal's Bukayo Saka shoots at goal during the match FA Cup Third Round between Nottingham Forest vs Arsenal at The City Ground, Nottingham, January 9, 2022. Action Images via Reuters/Carl Recine

Nottingham Forest's Philip Zinckernagel misses a chance to score during the match FA Cup Third Round between Nottingham Forest vs Arsenal at The City Ground, Nottingham, January 9, 2022. Action Images via Reuters/Carl Recine

Arsenal's Kieran Tierney in action with Nottingham Forest's Joe Worrall and Ryan Yates during the match FA Cup Third Round between Nottingham Forest vs Arsenal at The City Ground, Nottingham, January 9, 2022. Action Images via Reuters/Carl Recine