My fitness levels meant a stitch was the immediate danger so I'm learning here. Is hamstring something more likely to go if a player is working on strength more than stamina? He's actually looking pretty solid now when tackledYou'd run the risk of his hamstrings twanging though, they often seem to be the first muscles to go when a player is redlining as Wenger found out with Alexis Sanchez. Better to rotate him during this busy time and work on his fitness over the summer.