Cleveland Indians mascot Slider to celebrate milestone birthday Sunday at Progressive Field

Phillie Phanatic, Orbit, Gapper and more on hand for Slider's 25th; Kid-friendly activities available throughout ballpark, plaza courtesy of Step 2, American Greetings and more

Cleveland, OH-Mascot Hall of Famer Slider turns 25 years old Sunday, and fans are invited to celebrate with Slider and his MLB mascot friends.

Party plans include:

  • Step2 on Gateway Plaza: Step2 will have playhouses, coasters, ride-ons and more on Gateway Plaza before the game
    • Plus, Step2 will give away one grand prize "Big Backyard," worth over $1,000. Ten second-place winners will get a new WonderBall Fun House and Home Run Baseball trainer.
  • American Greetings Birthday Cards for kids to customize for Slider in the Kids Clubhouse and Family Deck
  • 1,000 mini cupcakes provided by Becker's Donuts & Bakery and available in the Family Deck
  • Surprise Slider birthday present

Several mascots from around Major League Baseball will be attending the festivities. (All mascots subject to change.)

  • Phillie Phanatic (Philadelphia Phillies)
  • Orbit (Houston Astros)
  • Ace (Toronto Blue Jays)
  • Gapper (Cincinnati Reds)
  • Paws (Detroit Tigers)
  • Screech (Washington Nationals)
  • Stomper (Oakland Athletics)

A mascot group photo will be held in the Family Deck beginning at 11:30AM.

Family Pricing: The KeyBank Kids Ticket is only $15 and includes a game ticket and all the fun activities for children in the newly renovated Kids Clubhouse. Kids can race against their favorite Tribe mascots, mimic the stances of big leaguers, and much more! Also, every Sunday SportsTime Ohio hosts a Kids TV show in the Kids Clubhouse where kids can do a Q & A with an active roster player.

Plus, KeyBank will offer fans free prizes all throughout the weekend during its Hassle Free Weekend! Tickets are available at