January is winding down, which means we're getting closer to spring training. At the moment 15 of our top 50 free agents remain unsigned, including three of the top seven. There is still some time to go in the offseason, for sure, but usually all the top free agents are signed by now. 

We're going to keep track of the day's hot stove rumblings right here in this roundup post. Make sure you check back often for updates.

Dodgers, Pollock agree to four-year deal

A.J. Pollock
SF • CF • #16
BA0.257
R61
HR21
RBI65
SB13
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The Dodgers have signed free-agent outfielder A.J. Pollock, reports Ken Rosenthal of The Athletic. According to multiple reports, the two sides agreed to a four-year deal will be in the $55-plus million range and is filled with various incentives and escalators. We've got more on the signing here.

The 31-year-old Pollock, who ranked No. 4 on our list of top free agents this winter, authored a .257/.316/.484 batting line with 21 home runs in 113 games for the Arizona Diamondbacks in 2018. He's played in only 469 of 810 possible games the last five years due to various injuries. 

The addition of Pollock ultimately helps solidify a 2019 Dodgers outfield that will be without Yasiel Puig and Matt Kemp, who were both traded to the Cincinnati Reds in a blockbuster, seven-player trade in December.

Dodgers ramp up talks with Realmuto

J.T. Realmuto
PHI • C • #10
BA0.277
R74
HR21
RBI74
SB3
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Even after acquiring Russell Martin and A.J. Pollock, the Dodgers might not be done yet this offseason. The team has been in trade talks with the Miami Marlins about catcher J.T. Realmuto basically throughout the winter and now it appears the team's full focus is on acquiring the All-Star catcher. 

Bob Nightengale of USA Today reports that the Dodgers are in intensive talks with Miami for Realmuto. Jon Heyman of Fancred echoed the same sentiment:

Nearly three months after Realmuto's agent Jeff Berry said his client would be wearing a different jersey to start out 2019, the Dodgers are starting to seriously emerge as Realmuto's potential landing spot for 2019. A previous report suggested top catching prospect Keibert Ruiz was being mentioned in trade talks with the Marlins.

Astros interested in bringing back Keuchel

Dallas Keuchel
MIN • SP • #60
ERA3.74
WHIP1.31
IP204.2
BB58
K153
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The Astros still have interest in re-signing free-agent starting pitcher Dallas Keuchel, according to Jon Heyman of Fancred. 

After boasting one of MLB's best rotations last season, the Astros are down two starters with Charlie Morton signing with the Tampa Bay Rays and Lance McCullers Jr. set to miss the entire 2019 season after undergoing Tommy John surgery. Justin Verlander and Gerrit Cole remain atop the rotation with Collin McHugh or Brad Peacock likely right behind. Josh James, Framber Valdez and top pitching prospect Forrest Whitley will be competing for the back-end spots in spring training.

Keuchel rejected the Astros' one-year, $17.9 million qualifying offer in November, meaning the Astros would receive a compensatory draft pick if he does sign elsewhere. Keuchel, 31, is coming off a solid season for the Astros that saw him go 12-11 with a 3.74 ERA, 1.31 WHIP and 153 strikeouts in 204.2 innings pitched. The veteran left-hander has spent his entire seven-year MLB career in Houston, and re-signing could help solidify the team's rotation for another season.

Castellanos wants traded before spring training, but no market

Nicholas Castellanos
PHI • 3B • #8
BA0.298
R88
HR23
RBI89
SB2
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The Tigers are in the midst of a rebuild and outfielder Nick Castellanos is one season away from free agency. As such, it makes sense for the Tigers to trade him. Castellanos would rather it happen before spring training than during the season, per his agent. Via freep.com

"He wants to win and understands the direction of the franchise right now is to procure prospects," Castellanos' agent, David Meter, said Tuesday night. "That being said, he would rather start with his new club going into spring training."

In a rare move, however, Tigers general manager Al Avila just straight up said that there's been no market for Castellanos. Via 97.1 The Ticket

"With Nick it's been very frustrating," Avila said Thursday before the Tigers began their winter caravan. "I've actually talked to his agent this past winter because (Castellanos) was trying to inquire. I talked to Nick at the end of last year, and nothing has happened so he wanted to see where it was all going. Quite frankly, there's been no interest at this point.

"I don't know, it's just a different market out there."

Castellanos, 26, hit .298/.354/.500 (130 OPS+) with 46 doubles, five triples, 23 homers, 89 RBI and 88 runs last season. He was terrible defensively (-.2.4 WAR, -18 defensive runs saved), but it's still surprising no contending team is even open to talking about adding his bat. He could DH or even move to first. This is a guy with a 121 OPS+ over the past three seasons and 30-homer upside.

Cubs sign reliever Brach

Brad Brach
ATL • RP • #47
ERA3.59
WHIP1.60
IP62.2
BB28
K60
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The Chicago Cubs have agreed to sign free-agent relief pitcher Brad Brach, according to The Athletic's Ken Rosenthal. The deal is a one-year contract worth $3 million, Jon Heyman of Fancred reports. The two sides hold a mutual option for the 2020 season.

The 2016 All-Star had a 1.52 ERA in 27 appearances for the Atlanta Braves after a trade from the Baltimore Orioles in July. Brach, who will turn 33 in April, has a 3.08 ERA in 424 career relief appearances for the San Diego Padres, Orioles and Braves, that included stretches as the O's closer in 2017 and '18.

Mariners sign reliever Strickland

Hunter Strickland
LAA • RP • #61
ERA3.97
WHIP1.41
IP45.1
BB21
K37
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The Seattle Mariners and Hunter Strickland agreed to a one-year contract, Ken Rosenthal of The Athletic reports. Strickland, 30, was non-tendered by the Giants this offseason, will be under control for the next three seasons through arbitration. 

The reliever is coming off a career-worst season, highlighted by a fractured hand he suffered in June after punching a wall. Strickland has a career 2.91 ERA across parts of five MLB seasons, and he finished last season with 14 saves. He'll most likely be the leading candidate for the closer job in Seattle.

Mid-tier relief market heating up

Shawn Kelley
TEX • RP • #27
ERA2.94
WHIP.90
IP49.0
BB11
K50
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As can be seen, both Brach and Stickland were signed Thursday. Next up looks to be Shawn Kelley

Kelley, 34, was relatively good for the Nationals last season other than a bit of a home run problem, but he pitched to a 2.16 ERA, 0.78 WHIP and added 18 strikeouts in 16 2/3 innings for the A's after being dealt. Judging from what we saw above, expect a one-year deal worth less than $5 million. 

After Kelley, it looks like Sergio Romo and Ryan Madson are up: 

Romo, 35, had a 4.14 ERA, 1.26 WHIP and 75 strikeouts in 67 1/3 innings for the Rays. He could close (he had 25 saves in 33 chances last year) but would be better served in middle or setup duty. 

The 38-year-old Madson was terrible last season after a good 2017. He went from a 1.83 ERA and 0.80 WHIP to 5.47 and 1.41 marks, respectively. His strikeout rate fell while his hit, walk and home run rates skyrocketed.