Whose saint has a feast day of July 28?

The following saints are memorialized on July 28:Acacius

Arduinus of Trepino

Botwid

Camelian of Troyes

Celsus of Rome

Eustathius of Galatia

John Soreth

José Melchór García-Sampedro Suárez

Lucidius of Aquara

Lyutius

Nazarius of Rome

Pedro Poveda Castroverde

Peregrinus

Samson of York

Martyrs of Thebaid

David Carlos

Emmanuel Segura

Joseph Caselles Moncho

Joseph Castell Camps