By Mauricio Alencar England spin bowler Jack Leach will travel back home from England’s tour in India after his knee injury showed no signs of improving in time for the next three Tests. The squad have been in Abu Dhabi for a short break between the second and third Tests as players met with family members. They will leave for Rajkot in India without Leach, who will undergo rehabilitation back home. Leach was unavailable for the second Test in Vizag last week, which India won by 106 runs. He picked up the knock– diagnosed as a haematoma– while fielding in the first Test in Hyderabad. The left-…