Seam Baseball

$50.00
/
Size

2.6 oz Foam Seam ProLine Ball

Train Smarter. Hit Better. Perform Like It’s Game Day.

  • Game-Like Movement – Embossed seams create realistic pitch movement and ball flight

  • True Pitch Variability – Simulates real at-bats with changing pitch locations

  • Enhanced Spin & Break – Designed for sharper off-speed pitches and higher spin rates

  • High-Velo Training Ready – Adds difficulty when training at higher velocities

  • Perfect for Catcher Work – Ideal for blocking, receiving, and reaction drills

Recommended Setup

  • Optimal Distance: 30–45 ft (ideal: 35–45 ft from machine to plate)

Machine Compatibility

Works seamlessly with all major pitching machines:

  • Hack Attack

  • Jr. Hack Attack

  • Iron Mike

  • ATEC

  • JUGS

  • Spinball

  • More

Pricing

  • 1 Dozen (12 Balls): $50

  • 1 Case (120 Balls): $450

Shipping :- We currently ship in the United States but will be expanding to other countries on our website later this year. In the interim, we will process orders internationally direct by contacting info@prolineballs.com

All Sports Attack Machines are shipped out via Freight.

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Seam Baseball

choose your tools, create your world

tried, tested, trusted

Our Seam Ball design allows for variability in pitch location, closely simulating game-like at-bats. Authentic seams provide hitters with realistic baseball movement, while the machine's adjustable settings enable sharper pitch breaks & higher spin rates.

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12 month guarantee

We stand behind our product as the most accurate, precise and durable innovative foam ball on the market today. We guarantee it!

trusted by pros

Trusted and used by MLB Minor League, D1, D2, D3 and high schools across the country.

free returns

Free returns & exchanges with free shipping within 30 days of purchase date

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