M. Sierra attacks space and times runs behind the line to threaten the back post in transition. In a roaming playmaker mold, M. Sierra controls tempo with compact, one- and two-touch passes to unlock fast breaks. Sierra reads the game well. He links play with one-touch layoffs. Sierra presses high and forces turnovers from the front. He checks space, then spins in behind to finish. The forward also helps pin centre-backs and create separation. M. Sierra finishes moves with quick shots on goal.