[Mick]

Connie Mack, Walter Alston, John McGraw, Miller Huggins, McCarthy

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In keeping with the no-hitter theme, there were only two pitchers who threw four no-nitters (or more). There were also only two catchers who caught four no-hitters?

Who were those pitchers and catchers?

Sandy Koufax & Nolan Ryan
J.T. Realmuto??

Koufax and Ryan are correct. 

Catchers were Carlos Ruiz of the Phillies (both of Halladay's, Cole Hamels, and the Hamels/Diekman/Giles/Papelbon game, all between 2010 and 2015) and Jason Varitek of the Red SOx (Hideo Nomo, Derek Lowe, Clay Bucholz and Jon Lester, all between 2001 and 2008).

[Mick]

Connie Mack, Walter Alston, John McGraw, Miller Huggins, McCarthy

---

In keeping with the no-hitter theme, there were only two pitchers who threw four no-nitters (or more). There were also only two catchers who caught four no-hitters?

Who were those pitchers and catchers?

Sandy Koufax & Nolan Ryan
J.T. Realmuto??

Koufax and Ryan are correct. 

Catchers were Carlos Ruiz of the Phillies (both of Halladay's, Cole Hamels, and the Hamels/Diekman/Giles/Papelbon game, all between 2010 and 2015) and Jason Varitek of the Red SOx (Hideo Nomo, Derek Lowe, Clay Bucholz and Jon Lester, all between 2001 and 2008).