The 25-year-old join Adelaide United on loan for 2016/17 from Spanish La Liga side, Granada CF, after playing 19 matches for Granada B in 2016, scoring eight goals. Starting his senior career with Lorca Deportiva CF, Guardiola joined former Segunda División B club, Jumilla CF, where he notched up 42 appearances and two goals between 2010 and 2012. After his spell with Jumilla CF, Guardiola joined Ontinyent CF for the 2012/13 season before signing with Getafe CF B in 2013 and then Novelda CF for 2013/14. During this period, Guardiola made a total of 57 appearances and scored 10 goals. In 2014/15, Guardiola made 39 appearances and scored 17 goals for CD Eldense prior to moving on to AD Alcorcón and Barcelona B in 2015. Guardiola is known as a fantastic finisher with beautiful technical abilities and has the ability to hold up play comfortably, while also the skill and strength to take defenders on with ease.