Gregor Chisolm has the scoop:
For those wondering, Robert Ray has been designated for assignment by the #BlueJays to make room for Thames on 40-man roster.
Gregor Chisolm, Blue Jays Reporter for MLB.com | Twitter
Richard Griffin reasons why Thames gets the call over Lawrie:
Thames gets call because of LH bat and can PH. when you bring Lawrie up it will be as everyday player. Jays needed deeper bench now have it.