1st Inning Boss

The 1st Inning Boss is a premium pack available in MLB The Show 26's Diamond Dynasty mode. Released on Thursday, March 12, 2026, this pack contains 2 carefully curated player cards with complete player data that you can add to your Diamond Dynasty lineup or sell on the marketplace for Stubs.

This pack features a strategically balanced mix of 2 position players and 0 pitchers with an impressive average overall rating of 90.0. The carefully structured rarity distribution includes 2 Diamond cards.

The total estimated market value of all cards in this pack is approximately 250K, with the most valuable card being Munetaka Murakami from the World Baseball Classic series representing the White Sox at 250K. This calculation includes only cards with complete player information and current marketplace data.

All price data shown includes both buy and sell prices from the marketplace and is updated regularly through our live data feed. Individual card values may fluctuate based on market demand, meta changes, and seasonal events. Click on any player card to view detailed information including attributes, quirks, and meta scores, or explore their team and series pages for more context about each player's performance and attributes.

The 1st Inning Boss represents one of many pack options available in MLB The Show 26, offering players strategic opportunities to acquire new talent for their Diamond Dynasty rosters. Whether you're looking for specific positions, high-rated players, or building a complete collection, this pack provides valuable insights into what cards are available and their current market values. Compare this pack with other available packs to make informed decisions about your Stub investments.