Jake McGee has history with both Davey Martinez and Jim Hickey and they’re hoping they can help each other down the stretch this season… As Davey Martinez explained it after the Washington Nationals claimed 36-year-old, left-handed reliever Jake McGee off waivers from the Milwaukee Brewers on August 9th and called him up to pitch out of the big league bullpen, there was a need, and some history with the southpaw, so the club took a shot. “He became available,” Martinez said, “… as you know, we have no lefties in our bullpen. “He’s a veteran guy, felt like the last…