If a catcher can ask the first base umpire if the batter swung, why can't the batter ask the first base umpire if he checked his swing if the home plate umpire said he did?

[–]Seattle Marinersmatt2500 7 points 19 hours ago  Batters can ask the home plate umpire to ask for help just as much as the catcher can, and they do it all the time. permalinksaveparentreportgive goldreply [–]thescruffysquid[S] -4 points 19 hours ago  In all the years I have watched, and all the years I played I have never once seen that happen. permalinksaveparenteditdisable inbox repliesdeletereply [–]Detroit Tigersaarone46 1 point 47 minutes ago  Miguel Cabrera does it all the time. permalinksaveparentreportgive goldreply [–]California Angelsbreakfast_cats 3 points 11 hours ago  I see Trout do it all the time. permalinksaveparentreportgive goldreply [–]Boston Red SoxPunkPenguin 3 points 11 hours ago  Watch more, because it happens. permalinksaveparentreportgive goldreply [–]New York Metsthree_dee 8 points 12 hours ago  Watch Adrian Beltre. He points down to first on check swings quite frequently. permalinksaveparentreportgive goldreply [–]Atlanta Braveswaffles 9 points 14 hours ago  Because it's mostly verbal. permalinksaveparentreportgive goldreply [–]Cincinnati RedsJV19 1 point 19 hours ago  Because the ump only calls it a swing when he's sure he went around. permalinksaveparentreportgive goldreply [–]thescruffysquid[S] -2 points 19 hours ago  But they are wrong sometimes too. permalinksaveparenteditdisable inbox repliesdeletereply [–]New York Metsthree_dee 9 points 12 hours ago  BREAKING NEWS: umpires are wrong sometimes. More on this situation as it develops. permalinksaveparentreportgive goldreply

Since the official rule book states "Rule 9.02(c) Comment: The manager or the catcher may request the plate umpire to ask his partner for help on a half swing when the plate umpire calls the pitch a ball, but not when the pitch is called a strike." That would mean only the defensive side can appeal. Guess this is why I am still confused about how you all see batters request this. Anyone have a video?

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