Mikel Arteta has confirmed that Martin Ødegaard and Kai Havertz will both be available for selection in Tuesday’s Champions League semifinal second leg against Atlético Madrid in a huge boost for Arsenal. The left-footed pairing both sat out Saturday’s clash with Fulham. The Gunners eased to a 3–0 win regardless but their return is welcome nonetheless. Ødegaard is Arsenal’s most potent creative force and one of the few players in the squad confident enough to receive the ball under pressure without immediately coughing it up. It was telling that Atlético’s best spell from the 1–1 draw in Madrid came after Arsenal’s skipper had been substituted. Havertz missed the tie in Spain entirely after damaging his hamstring against Newcastle United . Viktor Gyökeres has scored three goals across the subsequent two matches yet lacks the craft and guile of his teammate.…