If you were wondering (you weren't), Piers Morgan is spending his Saturday like he spends many days: fighting with random celebrities on Twitter.
After sparring with J.K. Rowling, Patton Oswalt and a host of others—mostly about Donald Trump—Piers moved on to Dodgers pitcher Brandon McCarthy. Here's the entire exchange, which started with McCarthy making fun of Piers without tagging him. Piers obviously responded.
Somewhere, Arsene Wenger smiles.