Here are three remaining free agents who could still address the Brewers' bullpen.
2. RHP Michael Fulmer
The Brewers don't necessarily need to go with a left-hander should they add another reliever to the pen. With that in mind, their next best option would also be a bit younger of one in 29-year-old right-hander Michael Fulmer.
Fulmer is also a former Tiger, which is the team he'd spent his entire career with before being dealt to the Minnesota Twins at last year's trade deadline. Unlike Chafin, bullpen work is a bit of a new thing for the righty.
Fulmer was purely a starter for the first few seasons of his career, winning AL Rookie of the Year in 2016 and becoming a first-time All-Star in 2017. Sadly, Tommy John surgery knocked out his 2019 season and after returning to start 10 games in the shortened 2020 season and compiling an 8.78 ERA over that span, it was pretty much all bullpen work going forward.
The results have been positive since the switch. Fulmer has a 3.17 ERA over the last wo seasons with 115 of his 119 appearances coming out on in relief. He has also seen his strikeout rate rise from a career 6.9 K/9 as a starter to 9.5 as a reliever.
One of the keys to his success last season was limiting hard contact. His allowed hard hit rate of 36.8% put him in the 61st percentile among MLB pitchers while his allowed barrel rate of just 4.4 % had him in the 91st percentile.