Who is Greg Olsen?
In short
Greg Olsen is a former American football player who played as a tight end in the National Football League (NFL). He is now well known as a sports commentator and analyst.
In plain words
Greg Olsen spent many years playing professional football at a very high level. After he stopped playing the game, he started working on television to explain the rules and the action of football matches to viewers. He is respected for his deep knowledge of how the sport works.
A simple example
If you are watching a Sunday afternoon football match on TV and a commentator explains exactly why a player was penalised for a foul, that person might be Greg Olsen using his experience to help you understand.
Why it matters
He is important because he helps fans enjoy the sport more by making complex plays easy to follow. His transition from a star player to a top media personality is a successful example of a second career in sports.
Easy to mix up
People sometimes confuse him with other famous retired players who also work as commentators, or they might mistake him for someone else with a similar name in a different profession.