For six years, Detroit fans trespassed onto the empty field of the torn-down Tiger Stadium with their own lawnmowers. Tom Derry started it in 2010, when the diamond where Ty Cobb and Babe Ruth played had weeds up to eight feet tall. His crew grew to about 30. Police kept throwing them off at first, and they kept coming back. Detroit kids play ball on that same spot today.

The Fans Who Mowed Tiger Stadium's Empty Field

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For six years after Tiger Stadium was torn down, a band of Detroit fans trespassed onto its empty field with their own mowers and tools. They turned an eight-foot jungle of weeds back into a place where kids could play ball.

A Ballfield Gone Wild

The city finished demolishing Tiger Stadium in 2009, but the playing field at Michigan and Trumbull stayed behind. It had hosted baseball since 1912, and Ty Cobb played there for the Tigers. Babe Ruth hit his 700th home run on the site in 1934.

By 2010 it looked like nothing of the sort. "When we took over that field the weeds were 6 and 8 feet tall and there was trash everywhere," Tom Derry told Ballpark Digest.

One Mail Carrier and a Mower

Derry, a mail carrier from Redford Township, started cutting the field in 2010 against the city's wishes. He called the weeds "redwoods." Other fans joined him, and the group, the self-named Navin Field Grounds Crew, grew to a core of about 30.

The work was not glamorous. "We had four mowers down there one day, and three broke," Derry told Grantland.

The land belonged to the city, so the volunteers were trespassing. At first, police kept kicking them off the field. The crew kept coming back with their own money and tools.

A Field of Dreams, Free of Charge

Over the next six years the crew shredded the weeds, cleared the trash and kept the grass cut across 9 1/2 acres. Little League teams, adult soft-pitch leagues, vintage baseball clubs and pickup games all played there. Former Tiger Mickey Lolich watched his grandson play Little League on the field.

Navin Field Grounds Crew volunteers kneeling to chalk a giant Old English D into the mowed center-field grass of the old Tiger Stadium field, Detroit, 2013
Volunteers chalk the Old English D in center field in 2013. Photo: Navin Field Grounds Crew.

"We turned a trash dump into a field of dreams," Derry said. The crew held one last round of festivities on the field in April 2016.

What Stands There Now

The city gave Detroit PAL, the Police Athletic League, the right to develop the site, and the grass the volunteers had tended was dug up for artificial turf. PAL built The Corner Ballpark on the same ground, with a youth field, programs from t-ball to softball and a facility that can be rented.

The only piece of Tiger Stadium left intact after the demolition was the 125-foot center field flagpole, and it is pictured at the Corner today.

The volunteers called themselves the "temporary caretakers" of the field. Detroit kids play ball on that same spot today.

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Frequently Asked Questions

Who was the Navin Field Grounds Crew?
A volunteer group of Detroit baseball fans led by mail carrier Tom Derry. From 2010 to 2016 they cut and kept up the empty Tiger Stadium field with their own tools, with a core of about 30 members.
Why did police remove the Navin Field Grounds Crew?
The field belonged to the city, so the volunteers were trespassing. At first police kept kicking them off, but the crew kept returning, and the work went on for six years.
What happened to Tiger Stadium?
The city finished demolishing the stadium in 2009. Only the 125-foot center field flagpole was left intact, and the site later became The Corner Ballpark, run by Detroit PAL.
Can kids play baseball at the old Tiger Stadium site today?
Yes. The Corner Ballpark, Detroit PAL's permanent home on the site, hosts baseball, softball and t-ball programs for young players, and the facility can be rented for events.

Verified Fact

Verified Oct 20, 2026 · 5 sources checked

Source: The American Prospect
Show verification details

Claims checked

  • Tom Derry started mowing the empty Tiger Stadium field in 2010 and the crew worked six years
  • Weeds were six to eight feet tall at the start
  • The crew grew to a core of about 30
  • Police kept removing the volunteers at first, and they returned
  • Youth baseball is played on the same ground today at Detroit PAL's Corner Ballpark
  • Ty Cobb and Babe Ruth played on the site

Sources: The American Prospect, Grantland, Ballpark Digest, Detroit PAL, Fox 2 Detroit

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