We all missed something here. They were playing the Yankees and the umps just happened to come over and check him out. Since his heart surgery, he has been wearing the pull over. Seems there were no Pine Tar bats to inspect.
However the Yanks did manage to check for illegal bats against.... Tampa Bay.
The wheels are certainly coming off the cart in NY and the Yanks aren't the classiest bunch when they aren't on top.