Jonathan Pabelbon made national headlines for his infamous dugout fight with teammate Bryce Harper during the end of the 2015 season, making more and more people around Major League Baseball questioning his coachability and chemistry with teammates.

The dugout fight with the Nationals star is part of the reason why Pabelbon is considered untradeable according to baseball general managers, per Jon Heyman of CBS Sports.

The 35-year-old Pabelbon finished 2015 with a 2.13 earned run average, 24 saves, and 56 strikeouts over 63.1 innings of work, split between the Phillies and the Nationals.

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