Front squat 
Set 1-50% of 6rm/10
Set 2-75% of 6rm/6
Set 3-Max Reps of 6rm
Set 4-Max Reps at Adjusted weight dependent on reps in set 3
Then
 21 min. AMRAP
 21 Push-ups 

 15 Deadlifts 185/115

 9 Box overs