Mike started out with the youth setup at Ruthin Town, before playing for Llandyrnog United and Denbigh Town. He then signed for Bala Town in August 2011 and spent time on loan at Rhos Aelwyd during the first half of the season. Joined Conwy Borough in the Huws Gray Alliance in June 2012 before joining The Nomads ahead of the 2013-14 season.

Sharples unfortunately broke his foot shortly after signing with The Nomads and only made 8 appearances in total for the club before leaving ahead of the 2014-15 season commencing.