Simple vs. Compound Sentences

What kind of sentence is this?

We bought tickets to the football and basketball games.

Is this sentence simple or compound?

Maggie and Daniela sat toward the center of the football field.

Is this sentence simple or compound?

Football is an exciting game, and the fans scream with enthusiasm.

Is this sentence simple or compound?

Football players wear protection, but they still get hurt.

Is this sentence simple or compound?

Players obey the rules, or they will receive penalties.

Is this sentence simple or compound?

Football is a popular sport that can be dangerous.

Is this sentence simple or compound?

Even though there are four quarters made up of 15 minutes per quarter, an average football game lasts two or three hours.

Whereas a football game is made up of four quarters of fifteen minutes, a basketball game is made up of four 12-minute quarters.

Is this sentence a simple or compound sentence?

Each football team carries anywhere between 45 to 50 players, but only 11 players may be on the field at a time.

A traditional basketball team has 12 players with only five on the court at a time.