Crossdale joined the Saracens Academy this year after spells at Sale Sharks and Newcastle Falcons.
The former Sedbergh College student spent two years at the school and signed his first professional contract with the club in May, 2016.
Crossdale can play fly-half or fullback and has been included in the England U20 squad for the World Rugby U20 Championship.
After a successful stint with the side Crossdale was been included in the England u20s for the 2017/18 season.
JW January 18
No 5 Lock
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