Neither are clauses, but "today in the afternoon" is grammatical (adverbial phrase of time), while "today afternoon" is not. I would also suggest "this afternoon" as a more succinct and idiomatic alternative to "today in the afternoon".
After stealing 11 bases over 23 attempts over his first seven years in the majors, Chapman turned into a speed demon (15-for-17 in stolen bases) in 2024. His added value in the steals category led to ...
Arkansas Democrat-Gazette: HIGH PROFILE: Paul Chapman is the director of Restore Hope Arkansas, a nonprofit that helps people, families after incarceration
It's easy to look at Paul Chapman's life now and see a servant's heart in action through Restore Hope Arkansas, the Little Rock nonprofit that over the past eight years has united communities in ...
HIGH PROFILE: Paul Chapman is the director of Restore Hope Arkansas, a nonprofit that helps people, families after incarceration
Sports Illustrated: Red Sox's Aroldis Chapman Hits Major Career Milestone As Trade Rumors Fly
Signing Aroldis Chapman has worked out better than the Boston Red Sox could have possibly imagined. Coming into spring training, Chapman wasn't even the odds-on favorite to win the Red Sox's closer ...
Red Sox's Aroldis Chapman Hits Major Career Milestone As Trade Rumors Fly
The phrase our today's meeting is commonly used in Indian English, even though other dialects of English frown upon it. The mentioned examples in the comments of our today's specials and our today's speaker will, I think, sound off to many speakers, but possibly not as much as our today's meeting.