Zack Greinke typically keeps a low profile in the Dodgers clubhouse. But when the sanitation of his work space is compromised, do not expect him to sit by and be needlessly exposed the germs, bacteria and other pathogens.

Greinke plays a relatively small role in an upcoming book by Molly Knight, The Best Team Money Can Buy. The book chronicles the success and failures of the Dodgers in the 2013 and 2014 seasons, providing an in-depth look behind the scenes of a team facing lofty expectations.

According to an advance review obtained by Craig Calcaterra for Hardball Talk, there are gems laced throughout the book. One such gem features a bold statement Greinke made to the clubhouse during a meeting called by manager Don Mattingly.

According to Calcaterra, Mattingly wanted his players to "loosen up" as they struggled through a down stretch just before clinching the division in 2013. Greinke promptly stood up.

"I've got something to say," he said to a quiet room.

"Some of you guys have been doing the number two and not washing your hands," he continued. "It's not good. I noticed it even happening earlier today. So if you guys could just be better about it, that would be great."

According to the book, Greinke then sat down, and no one could figure out if he was being serious or not. When it became clear he was serious, the players laughed.

Greinke's serious appeal got the results Mattingly wanted -- the team loosened up.

Humorous as it is, Greinke's comments are more significant when placed in the context of a social anxiety disorder he has struggled with since entering the major leagues.

In fact, he almost quit baseball altogether when he was playing for the Kansas City Royals -- the struggle of managing his disorder in such a public setting was difficult for him.

Greinke did find a way to cope, and he's put together a nice, successful career. But being able to put his anxiety aside to call out his entire team at once probably illustrates just how much the hand-washing situation had frustrated him -- even if it's hilarious to us outsiders.

The role of the header isn't at risk when it comes to college and professional soccer, but former U.S. star Julie Foudy says the sports needs better safety measures to cover the injuries that come from header attempts.

Foudy, a soccer analyst for espnW, echoes the sentiments of former teammates Brandi Chastain and Cindy Parlow, who are advocating for youth soccer to ban players from attempting headers.

"I think at a younger age, taking heading out of the equation is smart," Foudy tells ThePostGame. "Eight, 10, 12 years old -- you don't need to be launching balls and taking contact with your head."

At higher competitive levels, more experienced players have mastered proper technique to minimize the risk of concussions and head traumas. While she knows of players who have suffered multiple concussions in their career, Foudy herself says she never had such an injury.

But when they do happen, Foudy is concerned with a lack of safety measures to recognize concussions and protect athletes. She pointed to a moment in World Cup group play earlier this month, when U.S. star Abby Wambach took a serious blow to the head from a Nigeria player while attempting a header.

The force of the strike warranted concern, Foudy notes. But play continued without interruption.

"You can't tell me you've done a concussion test on her," Foudy says.

Foudy also noted several instances in last year's men's World Cup where players took severe head strikes, and in some cases exhibited clear symptoms of a concussion, but were allowed to continue without any medical attention.

Says Foudy: "[FIFA] has to have some type of professional system in place to improve player safety."

Tara Lipinski, who took gold in figure skating at the 1998 Olympics, says she can bring out some moves at the rink. Perhaps not to the extent that she showed in Nagano, but Lipinski says that hitting the ice is a great way to stay in shape, and that eye on good health was part of the message at the annual Sports Spectacular gala in Los Angeles. The event is a big fundraiser in the fight against diabetes and obesity.

Living up to the name "Fastest Woman Alive" is a challenge Carmelita Jeter is eager to take on. But the gold medalist has other goals in her sights, such as improving women's fitness in America and around the world. Jeter, the reigning Olympic champion in the 100 meters, stops by ThePostGame at a women's health event held by Nike to discuss her own training, the challenges women face in their daily exercise routines, and how new Nike tools can make fitness all the more attainable.

The focus on football and its connection to brain injuries continues to trend younger and younger. Prompted by reports of degenerative brain disease afflicting many NFL veterans, new research is finding that concussions and other traumatic brain injuries are most prevalent among high schoolers.

Even worse, most of those injuries are occurring not in actual games, but during practice. A new study published in JAMA pediatrics found that 57 percent of college and high school football players have suffered at least one concussion during practice.

High school football players, meanwhile, are much more likely to suffer a concussion than college athletes.

The study drew data from more than 20,000 U.S. football players in 2012 and 2013. The results were not comforting: Nearly 1,200 concussions occurred on college and high school football fields in a two-season span, with two-third of them happening among high school football players.

College athletes, meanwhile, accounted for 22 percent of the brain injuries. Another 12 percent were attributed to youth football players below high school.

Concussions accounted for a larger percentage of total football injuries among college players compared to high school athletes, registering at eight and four percent, respectively. That percentage was highest among youth football players, though, where nearly 10 percent of all injuries were concussions.

Overall, a high school player participating in any given season faces a 10 percent chance of sustaining a concussion during that year.

Those are sobering numbers for opponents of football and its inherent health risks, and it should be a cause for concern among many parents of youth football players. But perhaps evidence of the widespread danger of the sport will accelerate efforts to reform football and remove some of its most dangerous elements, in turn reducing the risk faced by these athletes.

Despite the prevalence of smokeless tobacco throughout Major League Baseball, the fight against it has been gaining more allies in recent years. Add to that list the city of San Francisco, which is hoping to pass a law banning its use locally.

The city is considering an ordinance that would ban the use of chewing tobacco at all ballparks ranging from the local Little League field to AT&T Park, where the Giants play their home games.

The ban would apply to fans and players alike. If it passes, it could be a bold step forward in severing the association between chewing tobacco and baseball.

"San Francisco will send a simple and strong message," said city supervisor Mark Farrell, according to the Los Angeles Times. "Tobacco use in sports will no longer harm our youth, our health."

Although chewing tobacco is legal, its widespread use has previously pushed MLB to seek a ban in the past. But efforts came up fruitless in collective bargaining between the league and the player's association.

In a statement, MLB said it was in support of the proposed ordinance and hopes it helps push chew out of baseball. Chewing tobacco is already banned in the minor leagues, where such rules do not have to be approved by the player's union.

A number of current and former baseball stars have also taken a more vocal role in opposing the use of smokeless tobacco. Former pitching great Curt Schilling has previously blamed his mouth cancer on his use of chew as a player. The death of Hall of Fame hitter Tony Gwynn, following a long battle with salivary gland cancer, has also been attributed to his chronic use of tobacco.

His son, Tony Gwynn, Jr., said in a recent interview on "Real Sports with Bryant Gumbel" that his father acknowledged later in life that tobacco had been a profoundly bad influence on his life, causing his cancer. His son said he believes his father would support a ban if he were still alive.

The L.A. Times reports that an estimated 30 percent of MLB players currently use smokeless tobacco. If the city of San Francisco gets its way, none of them will be dipping when they come to play the Giants.

And that might also mean a decline in the number of teenagers and young adults who pick up the habit after watching their role models use the drug on a daily basis.

Touching is off-limits in the Milwaukee Brewers clubhouse. It's not for any unsavory reason, unless you count pink eye.

The Brewers' clubhouse has been plagued by the infection during Spring Training, forcing several players to miss games while they undergo a quarantine for the illness. It's gotten so bad that the team has instituted a rule banning high fives among the team.

The move is an attempt to limit opportunities for the infection to be transmitted from carriers to those who haven't yet had the condition.

"We've been going through it for a while and it seems like a couple of more show up every day," said manager Ron Roenicke to USA Today.

The most recent pink eye victims on the team are catcher Jonathan Lucroy and pitching coach Rick Kranitz, who came down with the condition on Thursday.

Spring training is a particularly bad time for an infectious outbreak to occur considering the larger rosters teams are carrying. Clubhouses are even more populated than normal, and those close quarters are making the disease easier to spread among players.

The team plans to keep the high-five ban in effect until pink eye is absent from the clubhouse. Until then, everyone keep your hands to yourself.

Suppose you love basketball, food and free giveaways. Yet you're worried about how that Polish-and-Fries combo basket they serve at the arena is affecting your waist line. You could simply not eat, but what's the fun in that?

If this is your dilemma, Georgetown women's basketball has you covered. It'd like you to come down for Kale Night.

The promotional night, scheduled for Feb. 13 in a home game against Xavier, will distribute free kale to the first 100 fans -- quite the draw, indeed.

But that's not all. The team will also offer free admission to anyone with the letters K-A-L-E in their names. And their will be prize giveaways during the game as well, including gift certificates to local restaurants that feature kale on their menus.

So, as you can see, the theme is fully developed.

Georgetown's team website refers to kale as "an underrated superfood." Presumably, they're happy about using a healthy approach to attracting fans to their home games. The Hoyas women's team could certainly use a boost, as it sits 2-9 in the Big East this season.

The timing of Kale Night is interesting since McDonald's has taken aim at the mostly harmless vegetable in new commercial spots that aired during the Super Bowl. Where McDonald's has crissed, Georgetown has crossed.

But whether you love or loathe kale, you can probably intuit this much: If McDonald's hates it, it's probably good for you.

The full McDonald's ad:

If you're considering yoga as a new fitness activity but nervous that maybe you don't have a body suited to do all that bending and stretching, take a look at Jonathan Ogden. A Pro Football Hall of Famer, Ogden is 6-9 and during his 12 seasons in the NFL, his playing weight was about 340 pounds. After a career that includes a Super Bowl championship with the Ravens and six first-team All-Pro selections, Ogden retired following the 2007 season. In his retirement from football, Odgen found yoga to be an ideal workout.

Just because you'll never be able to dunk like Michael Jordan, throw like Tom Brady or run like Usain Bolt, you still can marvel at and be moved by their abilities. That's the mindset you should take when watching Miami-based yoga instructor and author Kino MacGregor perform this handstand-to-chinstand pose. Sure, 99.9 percent of us could never do this even if we trained every day. But it should still be inspiring to push yourself to a new level of fitness as we head into the New Year.

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