Gabriel Martinelli rescued Arsenal with a stoppage‑time equaliser vs Manchester City after scoring and assisting in midweek, showing impact despite losing his regular starting place. Theo Walcott and Declan Rice praise his work‑rate, attitude and “controlled anger” in embracing a bench role. Piece examines Arteta’s selection, midfield choices, key substitutions (Saka, Eze) and the value of finishers in a strengthened squad.