Mike Dunn

Dunn earned a three-year contract with the Rockies after producing a 3.40 ERA with the Marlins the year before. Unfortunately for Colorado, he failed to produce anywhere near that level in 2017. Strikeouts certainly weren't the problem, as he struck out 10.2 batters per nine innings. His control slipped though, as he walked over five batters per nine innings, his worst mark since 2012. The southpaw also struggled mightily at Coors Field, as his ERA and WHIP skyrocketed to 6.95 and 1.77 in his 22 innings at home. Dunn is typically a flyball pitcher, which naturally leads to plenty of home runs allowed when you're in the thin air of Denver. He's not going to challenge for the closer role, and Dunn will have to perform better to fend off Chris Rusin and Zac Rosscup for lefty setup chances.

Dunn performed solidly in his sixth and likely final season with Marlins, now that Miami has allowed him to become a free agent. The 31-year-old posted a respectable 3.40 ERA and 1.28 WHIP in 42.1 innings of work in 2016. However, while the left-hander's ERA and WHIP were mostly in line with his career numbers, his performance against lefties suffered. Dunn turned into a reverse-splits pitcher in 2016, as lefties hit for a .279 BA against him while righties hit .259. Another cause for concern in 2016 was a drop in strikeouts. Dunn's 8.08 K/9 in 2016 was the lowest of his career and down dramatically from his 10.83 K/9 a season earlier. On the other hand, Dunn was able lower his walk rate to the lowest of his career in 2016, which likely helped keep his ERA down. The veteran free agent will likely find his way into another team's bullpen in 2017, but his diminishing strikeout numbers and performance against lefties would suggest that he's due to enter a decline.

Dunn had a rough go of it in 2015. Although he still saw general success against both right-handed (.224 average against) and left-handed batters (.230 average against), he gave up five home runs to right-handed batters, ballooning his ERA to 4.50. The 30-year-old also saw an increase in walks, worsening his BB/9 from 3.5 in 2014 to 4.8 in 2015. Dunn still looks like the top left-hander in the Marlins' bullpen and should continue to get plenty of opportunities, but his upside is limited with his recent struggles and with the likes of A.J. Ramos and Carter Capps ahead of him in the pecking order for save chances in Miami.

Dunn racked up a 10-win season out of the Marlins’ bullpen, earning the nickname "The Vulture" within the Marlins' clubhouse. The 29-year-old workhorse put up a second-straight quality season, appearing in 75 games with a 3.16 ERA, 1.21 WHIP and 67 strikeouts in 57 innings pitched. He was equally effective against both left-handed (.220 BAA) and right-handed batters (.219 BAA), proving to be much more than just a LOOGY. Dunn leans heavily on a fastball-slider combination and has increased his strikeout rate in each of the past three seasons, bringing it from 22.6% in 2012 to 25.5% in 2013 up to a career-high 27.4% in 2014. Despite his consistent effectiveness, Dunn remains down in the pecking order for saves behind closer Steve Cishek.

Dunn bounced back from a down 2012 season and slashed his ERA by over a full run while racking up 72 strikeouts in 67.2 innings out of the Marlins' bullpen. The 28-year-old southpaw held opposing left-handed batters to a .192 batting average against and also chipped in a pair of saves during his best all-around season in the majors. Working primarily with a fastball/slider combination, Dunn's success is credited largely to a four percent drop in his walk rate, leading to a career-best 2.57 strikeout-to-walk ratio. While it's hard to expect many save opportunities to come his way -- Steve Cishek has a strong handle on the Marlins' closer role -- Dunn remains a great bet to record a fourth straight season with at least 15 holds.

Dunn took a step back in 2012 along with the majority of the Miami bullpen, posting a 4.91 ERA and 1.77 WHIP over 44.0 innings. He managed to strike out over a batter per inning, working with mostly a fastball/slider combination, but a significant dip in his K/BB (1.6 in 2012, 2.2 in 2011) accompanied his statistical regression across the board. Dunn will continue to work as a left-handed setup man in the Marlins' bullpen ahead of closer Steve Cishek, but he needs to tighten up his control (5.9 BB/9) in order to solidify his place in the late innings this season.

Dunn turned in a solid season as a setup man, displaying some semblance of control and parlaying a fastball that averaged 94 mph into better than a strikeout an inning. The free passes are still something of a concern here given his flyball tendencies and history of a high walk rate throughout his time in the minors. Expect him to fill a similar role in 2012 as the primary left-handed bridge to Heath Bell.

Dunn has great velocity (94.8 average mph on fastballs last season) that results in outstanding strikeout rates (12.4 K/9IP between Triple-A and the majors last season). However, Dunn walks a few too many batters to think he'll be an elite reliever (5.71 BB/9IP between Triple-A and the majors last year). Still, he held lefties to a .581 OPS in the majors. He could move into a high-profile setup role with the Marlins after being traded from Atlanta in the offseason.

After transitioning to the bullpen near the end of 2008, Dunn made the full-time switch to a relief role last season. Without having to pace himself for longer outings, he was able to pack some more heat on his fastball as a reliever, combining it with an improving slider to rack up 99 strikeouts in 73.1 innings (Double-A and Triple-A stats combined). His 46 walks indicate that his control needs work, but he's producing outs with regularity and should begin the year at Triple-A with a chance to progress to Atlanta (after he was traded from the Yankees in the Javier Vazquez deal) if he's needed.

A converted outfielder, Dunn pitched well as a 23-year-old at High-A Tampa, ultimately transitioning to the bullpen after making 22 starts. Dunn throws a mid-90's fastball and is still honing his secondary pitches, which include a curveball and changeup. As he moves through the minors, he'll need to improve his command (4.20 9/IP) in order to remain effective, but the Yankees could eventually have an effective left-handed middle reliever on their hands if his development continues its current course. He was added to the team's 40-man roster in November over a number of other intriguing options, so the Yankees must see something they like in him.