Complex sentence: In cricket, the phrase "carrying the bat" refers to an opening batsman who remains not out at the end of innings where all the 10 wickets have fallen; the other 10 players in the team have all been dismissed.
Split into simpler sentences: In cricket, the phrase "carrying the bat" refers to an opening batsman who remains not out at the end of innings. The term is mainly used when the innings closes after all 10 wickets have fallen; the other 10 players in the team have all been dismissed.