Imagine walking into an iconic sports venue, say Yankee Stadium, to see a game. Except when you arrive, the clay on the field has been replaced with sod, and the sport being played isn't baseball, it's soccer. That's the situation that occurs regularly for fans of New York City Football Club, the MLS franchise that plays its home games at Yankee Stadium.
While stadiums shared by teams that play different sports are nothing new, the sight of a sport being played outside of its natural habitat — a stadium specifically built to host that sport — creates a unique draw for fans, and a unique challenge for facility operators.
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Kicking baseball out
Since NYCFC began play at Yankee Stadium in 2015, the grounds crew at the home of the Bronx Bombers may have gotten used to the idea of converting a playing surface from baseball to soccer and back again. But that feat is atypical. NYCFC is the only MLS club to regularly play in a facility built primarily for baseball. However, international matches sometimes are played in baseball stadiums as one-off events.
One such event took place this summer at Miller Park, where more than 18,000 fans watched C.F. Pachuca defeat Club León 3-1 in a friendly match featuring teams from Mexico's top league, Liga MX.
Typically, Miller Park is home to MLB's Milwaukee Brewers. But with the team on a road trip ahead of the All-Star break, and the World Cup riveting soccer fans around the globe, the timing was right for the venue to host its third-ever soccer match.
As a soccer venue, Miller Park's pitch stretches from the first base line into left field. Laying it all down is where Michael Boettcher comes in.
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As director of grounds, Boettcher and his team of turf managers and grounds crew members had about three days to convert the playing surface at Miller Park from a baseball diamond to one suitable for hosting international soccer stars.
That process began with removing clay from infield areas. "When you convert, and you dig that clay out that sits within our turf surface, it's quite a process," Boettcher says. "The infield clay that sits out here for the season is about four inches thick, so we just grind it down on the edges and transition." In all, he says the amount of clay that needs to be trucked out to prepare the field for soccer is about 20 tons — six and a half of which come from the pitcher's mound alone.
"Taking the mound out with a mini-excavator is a pretty short, painless process," Boettcher says. "It really comes off pretty quick. Machines have been a great help in making that transformation possible."
Since the clay infield and the grass turf are level for baseball play, replacing it to make it suitable for soccer requires a lot of sod — enough to fill five semitrailers, according to Boettcher. That sod is used to cover the infield, the mound, home plate and portions of the left field warning track.
After ensuring that the sod is in place and level with the existing field, the boundaries of the soccer pitch are strung out and painted.
"There are a few of us who go through a lot of the checks and balances to make sure that the field is ready," Boettcher says. "The teams previously have been happy with our surface, and as a turf manager, we're able to make sure that's ready to go."
Back to baseball
Perhaps the bigger challenge of the conversion process is getting the field back to its original purpose — baseball.
"On the back side is where you find a lot of very labor-intensive fine-tuning — making sure that your surface is exactly where it needs to be when you come back to the sport that Miller Park is meant for," Boettcher says.
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Between removing the sod and rebuilding the clay surfaces to the specifications that players demand, getting the field ready for the Brewers again requires an acute attention to detail. "In terms of baseball, it's a game of inches in a lot of ways," Boettcher says.
Typically, clay surfaces are the first areas constructed when building a baseball diamond, according to Boettcher. Turf is usually brought in after the clay areas are built. But conversion back to baseball from soccer requires that those steps be reversed. "Making sure that our disruption to our existing surface is as minimal as possible makes it even more challenging," he says. "It's a matter of bringing that mound back and making sure you're 100 percent to grade and the feel that the pitchers expect every single night."
Gridiron on the diamondWhile the European brand of football is rarely played in baseball stadiums, American football is no stranger to the diamond. NFL teams sharing stadiums with MLB teams was once commonplace, and even the college game has come to baseball fields. Between bowl games and one-off events, baseball venues have recently been converted to gridirons. Here's a look at a few: Chase Field Fenway Park SunTrust Park Target Field Tropicana Field Wrigley Field Yankee Stadium |
As soccer's popularity surges in the U.S. — a Forbes report in January said that the sport will soon supplant baseball as Americans' third favorite — bringing the world's game to domestic audiences makes sense.
In order to catch the wave, turf managers like Boettcher will become increasingly important as soccer comes to non-soccer-specific venues.
"What we're able to do as turf managers is pretty awesome," Boettcher says. "We like the challenges. The biggest thing is being able to give the City of Milwaukee another sporting event to come out and watch here at Miller Park."
This article originally appeared in the September 2018 issue of Athletic Business with the title "Here's the pitch: How MLB's Brewers built a soccer field" Athletic Business is a free magazine for professionals in the athletic, fitness and recreation industry. Click here to subscribe.