I’d guess Warnock saw him as a player who could cover several roles as he did at Bristol.
Strangely I was told by a reporter who covers Brizzle that Reid’s best position as a no 9 centre forward and that he’s only gone back to 10 after March season before last when Deidhou ( or whatever his name is) had gone to 9
He’d previously played as a wide midfielder in the seasons before that.
He started as a 9 for us at Bournemouth and really struggled. Did better for us as a 10, but was always 2nd fiddle to Camerasa