Mikel Arteta has described Kai Havertz as a genetic "powerhouse" and backed the Germany international to compensate for Arsenal's failure to sign a forward in January.

Arsenal: Mikel Arteta backs 'genetic powerhouse' Kai Havertz to play key role after transfer failure - Arteta confident Havertz can handle workload and compensate for Arsenal not signing a forward in

Havertz will spearhead Arsenal's attack as they bid to overturn a two-goal deficit against Newcastle in their Carabao Cup semi-final second leg on Wednesday evening. "The next stop is a final in Wembley so we know how big that is and you can feel it," added Arteta. "The momentum is with us so now is the the moment to go full gas.