Here is some stats on him from the Met-Rx website.
Mariusz works on a basic 8 day split and changes his training roughly every 12 weeks to work on his weaknesses. Day 8 involves plenty of rest, stretching and eating big! He incorporates plenty of event training including:
Log Lifts
Incline log press
Stones Training
Truck pull/loading
Upright rows
Yoke Race
MAXIMUM LIFTS IN THE GYM:
• BENCH PRESS: 600lbs
• SQUAT: 920lbs
• DEADLIFT: 880lbs
• BARBELL CURLS: 305lbs x 5
• Deadlifted 700lbs for 10 reps, 800lbs for 4
• Front Squat 600lbs x 3 reps
• Behind Neck Jerk – 550lbs
• Seated press – 415lbs