Paul Lukas on X: When the Mets wore their Mercury Mets uni in 1999, Jason Isringhausen's name wouldn't fit in the jersey's vertically stacked NOB format, so he wore IZZY instead. /

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN

Paul Lukas on X: Notable Moments in NOB History: MLB's 1999 futuristic uniforms featured vertical NOBs, but Mets P Jason Isringhausen's name wouldn't fit in that format, so he just wore Izzy.

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN

Paul Lukas on X: When the Mets wore their Mercury Mets uni in 1999, Jason Isringhausen's name wouldn't fit in the jersey's vertically stacked NOB format, so he wore IZZY instead. /

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN