As Memorial Day nears, the landscape of Major League Baseball trade rumors begins to take shape, even though the activity typically intensifies in June. With the trade deadline of July 31 approaching, analysts are starting to identify key storylines that may develop over the next several weeks. To provide clarity to fans, a 'BS Meter' has been created, categorized into four levels: non-existent, low, medium, and high. The purpose of this meter is to offer insights into the credibility of various reports without undermining the integrity of the sources.

In recent reports, Mark Feinsand from MLB.com indicated that the Philadelphia Phillies had made inquiries about David Robertson prior to the announcement of José Alvarado’s 80-game suspension for a performance-enhancing drug violation. Although Feinsand noted that 'no serious talks took place,' the report carries a low BS rating. The Phillies' need for bullpen support was evident even before Alvarado's suspension, and Robertson, who represents himself, could serve as a viable option. However, despite his solid performance in the previous season with a 3.00 ERA, Robertson remains a free agent, raising questions about his contract expectations or his career plans. It seems likely he will pitch this season, but it remains uncertain which team he may join.

Another noteworthy rumor comes from Bob Nightengale of USA Today, who reported that the Los Angeles Dodgers and Chicago Cubs are 'closely monitoring' Ryan McMahon of the Colorado Rockies, should he become available in a trade. This rumor carries a high BS rating, as the Rockies have historically been reluctant to sell off key players, even when struggling. McMahon, who has not performed to his All-Star potential this season, may see diminished trade interest due to his underwhelming batting statistics and a hefty contract commitment. The Dodgers' interest in McMahon could be conditional, especially if they are not confident in Max Muncy's current performance.

Jon Heyman recently expressed skepticism regarding the potential of the Pittsburgh Pirates trading Paul Skenes this summer, labeling the chances as non-existent. Despite the desire among some fans to see Skenes dealt, the young pitcher’s immense potential and cost-controlled status make a trade unlikely. At just 22 years old, Skenes has shown impressive ability with a 2.12 ERA in his initial MLB starts, which justifies his classification as a 'generational talent.' Given the current struggles of the Pirates, it would be logical for them to build around such a player rather than consider trading him.

Additionally, Nightengale offered an opinion regarding Rhys Hoskins, suggesting he would be an ideal fit for the Boston Red Sox, should the Milwaukee Brewers decide to make him available. While this falls into the low BS category due to it being speculative, the potential fit for Hoskins at Fenway Park is certainly enticing. The question remains whether the Brewers will be in a position to consider trades this summer, as they currently linger in contention in their division. Hoskins, who has shown signs of rebounding after a prior injury, may attract interest from various teams in search of first base or designated hitter options.

In closing, Jon Heyman addressed Luis Robert Jr.'s trade value, stating that a trade would not be feasible if Robert continues to struggle at the plate. While Robert’s contract appeared beneficial not long ago, his current performance has raised concerns. Teams are likely to view him as more of a rental, leading to skepticism about any potential trade involving their top prospects for his services. Ultimately, the upcoming weeks will clarify the trade landscape as teams reassess their rosters and futures.