Monitoring bullpens in 2020 will be a vital task each and every day. Because of this, we'll be publishing a weekly article at RotoBaller that tracks which bullpens are being taxed and which pitchers within that bullpen are being heavily used.
The idea of this column is to help you gain an inside track into which relief pitchers, closers, and setup men should be avoided or targeted in a given week of fantasy baseball.
As always, we'll be closely tracking bullpen updates every day in our Closer Depth Charts. That is definitely a resource you want to bookmark and visit each day to stay up-to-date with the latest bullpen changes and movements.
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Around the American League
Baltimore - What's left? Miguel Castro and Mychal Givens were shipped out. Cole Sulser was demoted. Hunter Harvey returned from the IL and got banged around just a bit. Tanner Scott has pitched in back-to-back games, though needed only 12 total pitches. Looks like Evan Phillips is the last man standing. Harvey is obviously the arm to own for the long-term, but who knows how long it will take him to settle into the season.
Toronto - Anthony Bass has pitched in three of four, allowing runs in back-to-back contests. With both Ken Giles and now Jordan Romano on the IL, this feels like Bass' job for a while. He'll need rest anyway though. Rafael Dolis and A.J. Cole are somewhat more rested, though they pitched Monday in front of Bass. Cole needed just five pitches for his outing; he's the best bet for a save if it comes.
Chicago White Sox - Alex Colome will need some rest after pitching in two straight and three of four. Steve Cishek pitched in back-to-back before a day off. Matt Foster somehow managed to receive back-to-back calls two days after throwing 37 pitches. Granted, that first return outing was just three pitches long, but he should need some rest for sure. Meanwhile, Jace Fry has actually thrown in three straight, and Jimmy Cordero did the same before a day of rest. It may take some piecing together to get through the early portion of this week.
Cleveland - Nick Wittgren and James Karinchak have each pitched in two of three. So has Phil Maton, who grabbed a hold on Monday. Fortunately, Brad Hand is very well rested. He's thrown only three total pitches since last Wednesday.
Detroit - A cursory watch of Gregory Soto's usage is needed. He pitched in two straight before an off day. He can go again early in the week but then may rest in favor of Buck Farmer.
Kansas City - Welcome back to high leverage, Greg Holland. Since the team traded Trevor Rosenthal, Holland pitched on three consecutive days and will now need at least a day of rest. It seemed like Ian Kennedy would be next in line, but he's had a tough time of things. Jesse Hahn is an option, but before picking up a surprise save, he hadn't even entered a game where KC was leading in weeks. He has also pitched in three of four days. Josh Staumont is another name to watch for holds and fill-in saves and is the most rested of the group.
Minnesota - Taylor Rogers needed 33 pitches to get through Monday's outing. In fact, everyone outside of Sergio Romo who pitched Monday got some good work in. Look for Romo to cover the slack until Rogers is rested.
Los Angeles Angels - Ty Buttrey has thrown on three of the past four days. Felix Pena has pitched in back-to-back. Keynan Middleton would have been next. Instead, he pitched only twice in the past 12 days, giving up runs in both outings, and was subsequently demoted to the LAA training site. Hansel Robles hasn't allowed a base runner since August 24...mostly because he hasn't gotten into a game since then. The Angels did activate Cam Bedrosian from the IL. He may be that late-inning option the team now needs.
Seattle - The Seattle bullpen is just Yoshihisa Hirano doing the Vincent Vega meme.
Around the National League
Atlanta - Mark Melancon has pitched in two straight games, rebounding nicely from his slip-up last week. Will Smith and Chris Martin have pitched in two straight as well; the former throwing 41 pitches. If all three need to hit the bench, Shane Greene is next in line for important usage. He pitched Sunday but only needed 12 pitches.
New York Mets - Edwin Diaz has pitched in three of four. Jeurys Familia pitched in three straight before a day off. Justin Wilson pitched in back-to-back before a day off. The addition of Miguel Castro couldn't come soon enough.
Philadelphia - Like their New York peer, a valuable bullpen addition was well timed here. Brandon Workman and Heath Hembree both pitched on three of the past four days. Hopefully David Phelps can supply some stability.
Washington - Sean Doolittle pitched in two straight; his first two outings since returning from the IL.
Cincinnati - The acquisition of Archie Bradley throws the back end of the Cincy bullpen into flux. Raisel Iglesias probably holds onto the closer job, but Amir Garrett certainly will lose some high-leverage spots in favor of Bradley. That bumps Nate Jones and Lucas Sims down another peg, perhaps out of serious holds consideration on most nights.
Milwaukee - With the Brewers trading David Phelps, it opens up more opportunities for Devin Williams and Alex Claudio. However, all of Williams, Claudio, and Josh Hader have pitched in two of the past three days. Do they dare recall Corey Knebel from the training site? Probably not, instead attempting to balance rest between the three arms.
Arizona - After trading away Archie Bradley, Arizona likely turns to a combination of Hector Rondon and Junior Guerra to get the late outs in games. Both men had pitched twice in a row heading into Monday. Another visit to the mound would then mean another day of rest needed. The Diamondbacks may be inclined to give newly acquired Humberto Mejia an early chance in that scenario.
Colorado - Everyone is rested; it's anyone's guess what the pecking order will be in this pen after the trade deadline. Daniel Bard still leads the committee, but with Jairo Diaz dropping out of favor, where does Mychal Givens slide in? Givens currently has a career-best 37.3 percent K-rate, but it goes along with a career-worst 11.8 percent walk rate. I'd guess Givens settles second in line after Bard, but they may not start him out that high as he learns opponent and ballpark tendencies these first couple weeks.
San Diego - No bullpen beefed up more at the deadline than San Diego. The Padres added Dan Altavilla, Taylor Williams, and Trevor Rosenthal, while activating Drew Pomeranz from the IL. The pecking order seems to be anyone and everyone, followed by Pomeranz to set up, and Rosenthal to close. Poor Emilio Pagan righted his season only to see his stock plummet right after getting a real chance to close.
San Francisco - Before an off day, all of Tony Watson, Tyler Rogers, and Sam Coonrod had pitched in back-to-back games. Coonrod seems the most likely to need a full day rest; the other two threw a low enough pitch count where they should be ready to roll next game.
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