The San Francisco Giants will make a roster move concerning their bullpen. Alex Pavlovic of NBC Sports reports that Ryan Walker has been optioned to Triple-A Sacramento. Joel Kuhnel, whom the Giants recently claimed off waivers, is active for their game against the New York Mets. Kuhnel is active today, Ryan Walker was optioned: https://t.co/TLyA2g2n1x […] The post Giants Demote Former Closer to Minors During Mets Series appeared first on HEAVY.