The WR (wide receiver) shortage discussed in the podcast relates to the Kansas City Chiefs' current struggles with their receiving corps. Several key points are highlighted:

1. Performance Issues: The Chiefs' receivers have not been performing up to expectations. Specific players mentioned include Justin Watson, Sky Moore, and Marquez Valdes-Scantling, who have been criticized for their lack of production and high drop rates. For instance, "Sky Moore has not lived up to what we wanted him to be" and "Marquez Valdes-Scantling is clearly not good enough" with "the most drops on downfield passes of any receiver in the league" 01:57:31 to 01:57:41.

2. Lack of Talent Acquisition: The podcast notes that the Chiefs failed to address these deficiencies effectively in the offseason or after identifying the problem in Week 1. The sentiment is that they should have invested in acquiring more talent, potentially by paying more for players like DeAndre Hopkins or Odell Beckham Jr. 01:57:43 to 01:57:54 and 01:57:27 to 01:57:29.

3. Financial Constraints: The podcast points out the financial limitations the Chiefs face, primarily due to the high salaries of key players like Patrick Mahomes and Travis Kelce. This has impacted their ability to invest in high-value positions such as wide receivers 01:58:22 to 01:58:28 and 02:00:00 to 02:00:28.

4. Comparison with Past Teams: The discussion includes a comparison with the 2006 New England Patriots, who also struggled with a similar issue of lacking high-quality receivers. This historical context is used to illustrate how crucial it is to have reliable receivers to succeed in critical moments 01:58:07 to 01:58:17.

5. Impact on Postseason Prospects: The Chiefs' current WR shortage is seen as a significant hurdle that could affect their postseason performance, including potentially missing out on a first-round bye and needing to navigate a challenging playoff run 01:57:54 to 01:57:59.

By addressing these points, the podcast underscores the importance of having a strong and reliable receiving corps for a team's success, especially in high-stakes games.