He 'll be a key piece in the back end of the Jays ' bullpen yet again in 2017 .
Gerber has 20 career saves and needs five more to break CU 's all - time record .
Gerber 'll be a key piece in the back end of the Jays ' bullpen yet again in 2017 .
Gerber has 20 career saves and needs five more to break CU 's all - time record .