Let's make this birthday one to remember.

55 years old (Born on May 15, 1970)

Happy Birthday, Frank de Boer! You defended the pitch like a champ and seamlessly swapped slide tackles for sideline tactics. It's fair to say you rocketed Ajax back into Dutch supremacy, racking up four consecutive Eredivisie titles faster than we could pronounce "total voetbal."

Though your playing days had highlight reels full of trophies with Ajax and Barcelona, your move into management was just as epic—we won't forget how you navigated Ajax to league glory from 2011 through 2014. Cheers to you, Frank, the commander of defensive lines and dugouts alike! May this year bring goals as memorable as your legendary left foot.