![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://www.pitcherlist.com/wp-content/uploads/2018-glove-flash.jpg)
Edwin Díaz's Fastball Is Broken-er
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://img.bleacherreport.net/img/images/photos/003/752/051/hi-res-84ab4430cb1f38ef9feda519e8bd4f4e_crop_north.jpg?1531259570&w=3072&h=2048)
Edwin Diaz's 90 MPH Slider Has Dominant Closer on Path to MLB
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://www.thedailyworld.com/wp-content/uploads/2019/09/18454687_web1_M-SPORTS_BBC-BC-MIAMI_4_MI.jpg)
Looking into the future: The Mariners are expected to promote four
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://staticg.sportskeeda.com/editor/2023/02/95d7c-16764012480469-1920.jpg?w=840)
New York Mets closer Edwin Diaz plans to pile up the strikeouts
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://projects.seattletimes.com/2017/mariners-preview/assets/157701_mari191472.jpg)
No fear, just fastballs
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](http://2080baseball.com/wp-content/uploads/2016/04/Diaz-Edwin-1603-Mitchell.jpg)
Notes From the South: Southern, Florida State, and Sally League
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://img.bleacherreport.net/img/slides/photos/004/233/502/52505cd81abde68c54d1829b2374b266_crop_exact.jpg?w=2975&h=2048&q=85)
MLB Position Power Rankings: B/R's Top 30 Relief Pitchers
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://i.ytimg.com/vi/1ydlWxU0avI/maxresdefault.jpg)
Edwin Díaz NASTY Slider
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://miro.medium.com/v2/resize:fit:512/1*hpKBmqhNJXAerXc7EQ61CA@2x.jpeg)
2021 Preseason Top 100 Prospects List, by Tieran Alexander
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://cnycentral.com/resources/media/f3a96522-4485-4c6b-a0af-ba1536fa5df3-full3x4_GettyImages1413488965.jpg?1659945754457)
Dominant deGrom pitches surging Mets to 5-2 win over Braves
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://images2.minutemediacdn.com/image/upload/c_crop,w_4673,h_2628,x_0,y_0/c_fill,w_1440,ar_16:9,f_auto,q_auto,g_auto/images/GettyImages/mmsport/65/01h8mqc4j5y4q89ahntd.jpg)
Could the 2023 Cy Young be coming to the Seattle Mariners?
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://images.seattletimes.com/wp-content/uploads/2019/03/144645.jpg?d=780x520)
Looking into the future: The Mariners are expected to promote four
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://a57.foxsports.com/statics.foxsports.com/www.foxsports.com/content/uploads/2023/03/1280/1280/03.25.23_Best-MLB-Pitchers-26-and-Under_Horizontal.jpg?ve=1&tl=1)
Ranking MLB's best 26-and-under pitchers
![Sliding by: Mariners' Edwin Diaz adds slider to fastball](https://img.bleacherreport.net/img/slides/photos/004/233/507/ee184844f5eaaec79182bf6a3cdb8fd1_crop_exact.jpg?w=2975&h=2048&q=85)
MLB Position Power Rankings: B/R's Top 30 Relief Pitchers