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.

Richard Griffin, Toronto Star | Twitter

Robert Ray

#67 / Pitcher / Toronto Blue Jays

Height: 6-5

Weight: 195

Bats: R

Throws: R

Born: Jan 21, 1984

Eric Thames

#62 / Right Field / Toronto Blue Jays

Height: 6-0

Weight: 205

Bats: L

Throws: R

Born: Nov 10, 1986