Interesting. Airfleets currently lists SQ with 4 737-800s (9V-MGK to 9V-MGN. All 2015 deliveries.
They would therefore become QFs youngest 737s, given the current youngest VH-XZP (RR James Strong) is a 2014 delivery.
All the other older ex-SQ 737-800s have already been spoken for, with most...