What are the rules changes made to baseball this year?
The MLB (major league baseball) association made several rule adjustments to the 2023 season. First, the bases have increased in sizes by 3 inches for a total of 18 inches squared. Second, a pitch clock/time has been introduced. Third, the defensive shift has been banned.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What are the rules changes made to baseball this year?
### Input: 
### Response: The MLB (major league baseball) association made several rule adjustments to the 2023 season. First, the bases have increased in sizes by 3 inches for a total of 18 inches squared. Second, a pitch clock/time has been introduced. Third, the defensive shift has been banned.