Complex sentence: On September 22,2015, during a routine practice, Jack tore the meniscus in his knee while performing a non-contact drill, and a statement was released from coaches stating that he would not return for the remainder of the season.
Split into simpler sentences: On September 22,2015, during a routine practice, Jack tore the meniscus in his knee while performing a non-contact drill. A statement has been released from coaches stating that he will not return for the remainder of the season.