You know how arbitration works, right? The player submits a number that they think they are worth. The front office submits a number they think that player is worth. Invariably, the player thinks he's worth more than the front office thinks he's worth. If they can't agree to adjust their expectations, the two sides go before an arbiter and the team tries to convince the arbiter that they player is not as good as he thinks he is. Then they try to win a championship.
So it happened with Jed Lowrie, who thinks he's worth $1.5m, and the Astros, who think he's worth $900K. More to come.