      Yost not thrilled with arm-strengthening method  Moustakas
optimistic Royals will be in the hunt  CHICAGO -- It wasn't just
the football-like weather that had Royals third baseman Mike
Moustakas throwing the pigskin around to teammates before
Wednesday's game.  "I do it to keep my arm loose and keep
throwing," Moustakas said. "Throwing a baseball every day works
different muscles than throwing a football, so it helps me keep
my arm strong."  So there he was, floating spirals before
batting practice.  "It's a proven fact," Moustakas said. "Look
up what Nolan Ryan and the old Texas Rangers used to do. They
used to throw footballs all the time before they starting
throwing their baseballs. Look it up. The Express -- I'm not
saying I have anything close to what he's got, but if he was
doing it, there's got to be something to it."  Royals manager
Ned Yost recalled that when he coached for Atlanta, Braves
pitching coach Leo Mazzone used to have his pitchers toss
footballs.  "Leo was a big proponent of pitcher