Kenny texted Mark to be careful with his ‘American Chopper’ bike. But:
Chicago White Sox general manager Ken Williams said he texted pitcher Mark Buehrle to warn him about being careful on his new motorcycle. … Baseball contracts do not prohibit players from riding motorcycles. Every standard contract states that if a player hurts himself to the point where his play is impacted, the contract can be voided.
Here a youtube clip from the episode.