DeAndre Jordan has been gradually growing out his afro and goatee.
This wasn't the case as a rookie.
Jacob deGrom has arguably the most famous mane in baseball.
In high school in 2010, deGrom had his hair more under control.
Marshawn Lynch also has iconic hair.
Here's what Beast Mode looked like in high school.
Kyle Beckerman's hair makes him the most recognizable player on the US men's national soccer team.
Yes, this is Kyle Beckerman (right) for the Under-23 national team in 2004.
Larry Fitzgerald is known for his dreads.
But when he was a Heisman finalist in 2003, his hair looked way different.
Dodgers infielder Justin Turner looks like he is in the wrong century.
But in 2010, Turner looked more like your neighbor's son who is off to college.
Odell Beckham Jr.'s hair is something else.
When he was at LSU, it wasn't quite so unmistakable.
Iman Shumpert's flat-top has become his signature look.
But as a rookie, Shumpert just kept his hair short.
Abby Wambach is one of the most dominant soccer players ever, male or female, and her hair is instantly recognizable.
But in 1998, Wambach was rocking a ponytail as a member of the Florida Gators national-championship team.
Clay Matthews is almost as famous for his hair as he is for his tackles.
In 2008 at USC, his hair was already on its way to greatness.
Titans backup quarterback Charlie Whitehurst has earned the nickname "Clipboard Jesus" for his long hair and beard.
Here's what he looked like in 2006.
Of course, Johnny Cueto's hair is pretty famous also.
But in 2009, Cueto was just another pitcher with the Cincinnati Reds.
Riley Cooper has some of the longest hair in the NFL.
At Florida, he rocked more of a mop.
Chris Archer was stylin' as a guest host for ESPN during the World Series.
But the ace we affectionately call "Big Tree" had a smaller hairdo in 2012.
Boston Celtics big man Kelly Olynyk has had a vintage hairdo since entering the league in 2013.
As a freshman in college, Olynyk's hair was shaggy, but well on its way.
Rob Ryan has the best hair of any coach in sports.
In 2006, he looked like someone you might meet at a Jimmy Buffet concert.
Tim Howard has one of the most famous bald head-beard combos in sports.
Tim Howard had things backward in 2002 with New York-New Jersey MetroStars.
Along with Jacob deGrom, Noah Syndergaard has made the New York Mets a great pitching staff with amazing hair.
We only need to go back to spring training in 2014 to see a different Syndergaard.
Serena Williams' hair is nearly as powerful as her game.
But in 1999, Serena was more known for her beads.
Joakim Noah has always rocked the bushy ponytail/man-bun in the NBA.
His hair was long in college, too, but he went with cornrows.
Jamaal Charles has iconic dreadlocks.
But he didn't when he was in college at Texas.
Nene Hilario's long, tied-back braids have become part of his look.
But as a rookie, his head was almost shaved.
Jason Kelce looks like a legitimate mountain man.
But his hair — and beard — haven't always been quite so out of control.
LSU product Tyrann Mathieu of the Arizona Cardinals is also known for his blond hair.
For a little while in the pros, he got rid of the blond, which he also rocked in college:
Journeyman Lou Amundson has taken his ponytail to 10 teams in nine years.
But in 2006, he was still working on growing out his hair.
Derrick Rose's hair is longer than ever, somewhere between an afro and a flat-top.
When he entered the NBA, his head was practically shaven.
Now check out which NBA players have the most money to spend on their hair.
