Gruden is concerned about Manziel’s elbow problems

Former NFL coach Jon Gruden loves him some Johnny Manziel. Gruden doesn’t love him some Manziel elbow tendinitis. “It was a little bit of a surprise to me,” Gruden said Wednesday regarding Manziel’s elbow problems, via Mary Kay Cabot of Cleveland.com. “I don’t remember hearing about a lot of arm problems until recently. I had…