Complex sentence: Rudolph Block hired Herriman for the Hearst papers with "a salary commensurate with his talents", starting April 22 at the "New York American", which ran no daily comic strips at the time.
Split into simpler sentences: Rudolph Block hired Herriman for the Hearst papers with "a salary commensurate with his talents", starting April 22 at the "New York American". The "American" ran no daily comic strips at the time.