Complex sentence: In August 2011, he signed a one-month loan deal with Notts County, making his debut on 9 August in a League Cup game against Nottingham Forest, which Notts County lost on penalties after the game had finished 3--3.
Split into simpler sentences: In August 2011, he signed a one-month loan deal with Notts County. Montaño made his debut on 9 August 2011 in a League Cup game against Nottingham Forest, which Notts County lost on penalties after the game had finished 3--3.