By Evan Bleier If Major League Baseball actually has a season in 2022, baseball could see a spike in offensive numbers — and not just because MLB stopped testing its players for steroids and other performance-enhancing drugs during the lockout. Speaking on Thursday, MLB commissioner Rob Manfred confirmed that the league and the MLBPA have agreed to implement a universal designated hitter in the new collective bargaining agreement starting in the 2022 season. That means the experiment MLB tested out in the National League during the pandemic-shortened 2020 season will now officially be on the b…