EE WAS LIFTING PIN ON PUMP TRAILER WITH HIS LEFT HAND AND PRYING THE HITCH WITH HIS RIGHT HAND USING A SCREWDRIVER. THE HITCH BROKE LOOSE AND SMASHED HIS LEFT THUMB AGAINST THE BUMPER OF THE T RUCK. EE NEXT SCHEDULED SHIFT IS ON THE 7TH. HE IS ON THE DOT SHIFT THIS WEEK. NO LOST TIME ACCRUED.