By Daniel Chavkin The former Giants teammates will join the network’s coverage for the upcoming baseball season. View the original article to see embedded media. MLB Network is adding a few former All-Stars and World Series champions to their coverage. The network announced it hired former outfielder Hunter Pence and former pitcher Jake Peavy for the upcoming baseball season. “We were nothing short of impressed when Jake and Hunter contributed to MLB Network over the last few months,” Marc Caiafa, MLB Network Senior Vice President of Production, said in a press release. “Both guys have great p…