Mikel Arteta faces more ball controversy in Arsenal's FA Cup clash with Man Utd
“In football, the worst things are excuses,” Pep Guardiola once said. “Excuses mean you cannot grow or move forward.” Mikel Arteta learned many lessons from his former mentor but seems to have disregarded that particular pearl of wisdom. Arsenal’s increasingly beleaguered boss blamed the “tricky” ball used in the Carabao Cup after his side’s wayward…