​The Diamondbacks are less than $10 million away from baseball’s competitive balance tax threshold, according to a source, and their proximity to it likely will play a part in which players they are able to acquire ahead of the trade deadline.The club has given indications it does not intend to exceed the threshold.Still, the Diamondbacks should have room to add players, even those who are on somewhat pricey contracts.For any player the Diamondbacks acquire, the hit on the competitive balance tax would be only on the player’s remaining salary. For example, if they landed a player on a $15 million salary for this year, the CBT hit would be roughly $4.4 million.As for the ramifications for exceeding the base tax threshold — the name for baseball’s first limit — the club would face revenue-sharing penalties only if they go over for two or more consecutive seasons.A team that exceeds the base tax threshold for the first time will be subject to a tax of 20 percent of the amount they go over.Baseball’s base tax threshold for this year is $244 million. The Diamondbacks rank 12th in the majors in payroll, according to FanGraphs’ RosterResource data.This article originally appeared on Arizona Republic: How MLB luxury tax could impact Diamondbacks at trade deadline