Three-up on the down

Getting a lift home to Crewe across Sutton Park in the misty drizzle late this afternoon was blue DRS loco 66428 tucked in behind Freightliner loco's 66539 + 66590, on the "booked diversion" 4M87 from Felixstowe. I've seen 2 engines on this train when diverted through Bescot in the past (Class 90 electrics) but never 3.

The service will revert to its normal route down the Trent Valley lines when four-tracking and other signalling work there is finally completed (seems to be taking years !).