Entering Saturday’s action, every AL East team has a negative run differential

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On Saturday morning, ESPN’s Buster Olney passed along the interesting fact that all five teams in the American League East has a negative run differential. The first-place Yankees are tied for the worst differential at -10 with the Red Sox, while the second-place Orioles are at -1, the third-place Blue Jays are at -6, and the last-place Rays are at -2.

It’s still early so run differential doesn’t mean a whole lot. But over a larger sample of games, run differential correlates strongly to winning baseball games. By this simple arithmetic function, we can conclude with a large grain of salt that the five AL East teams have played no better than average baseball to begin the season.

The only other division with three teams in the red in run differential is the AL West. The Rangers (-2), Mariners (-6), and the Astros (-51) have played subpar baseball. It’s… a bit of an understatement for the Astros.

Padres sign Aaron Loup to a one-year deal

Aaron Loup
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Free agent lefty reliever Aaron Loup has been given a locker in the Padres’ clubhouse, AJ Cassavell of MLB.com reported Sunday. Per MLB Network’s Jon Heyman, Loup received a one-year MLB deal with a club option for 2020. The Padres will shift right-hander Garrett Richards to the 60-day injured list to make room on the 40-man roster.

Loup, 31, began the 2018 season with the Blue Jays and was traded to the Phillies for minor league right-hander Jacob Waguespack at the midseason deadline. The veteran left-hander pitched just two innings in Philadelphia before hitting the injured list with a forearm strain and returned for a handful of appearances at the end of the year, bringing him up to a 4.54 ERA, 3.2 BB/9, 10.0 SO/9, and 0.3 fWAR across 39 2/3 combined innings.

Assuming health issues don’t complicate his next campaign in San Diego, Loup will be added to the bullpen alongside fellow left-handers Matt Strahm and José Castillo (with the possible late addition of southpaw reliever Brad Wieck, who underwent surgery for testicular cancer earlier this year). There are worse places to be — according to FanGraphs, the Padres’ ‘pen jumped from second-worst in 2017 to second-best in the league with a cumulative 3.53 ERA, 3.31 FIP, and 8.7 fWAR in 2018.