# Mariners trade Luis Castillo to White Sox for three players

> **Open Intelligence Dossier** · First detected: 2026-08-02 03:07 UTC · Category: Sports

## Executive Summary
5 news sources are covering this Sports story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Mariners trade Luis Castillo to White Sox for three players" is generating significant coverage in the Sports category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include MLB.com, CBS Sports, MLB Trade Rumors and ESPN. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| WHIO TV | Former Wright State Raider baseball player, local high school graduate traded to Seattle | [Source Link](https://news.google.com/rss/articles/CBMi3AFBVV95cUxNMjZsVkVnUUxhYkZHZkJxTjZPeWtWTi12d0FuMGNZd2xkakRROTIwWUt1ekxuN0lqdG0xSXNUVEVnNzdxaWIwWGFBYWRfYjdOZy1VRnd2VTB6TVRIckJPVFl5X3Q5QVF3bHBBdFdzSUJLYnBQRHMzSm5aRG1aTXpzenI2WUxZM0FvYmNuLTB2Ul9SdXZ0THA1WHZ5VjY1N3ZrcUJWWkxEQ21xTmJ6SE4wXzBoUVM1eDhFUjk0aFFINXNKX1FHQWQxUzN5RFNPZFIyX0xEcGFYbmtSb1J20gHwAUFVX3lxTE9ISk1RVm5KMTI4WHN4OTNYNW4xNGVYak1MemNGY2xwdnNaNDM4UmJpZGk3TXBSRTIwOFdDWVpWTnpraGxCYnFvRW5sZlVWUkNIYnZYREROd0lsTXVuZ2t5czlwRF8yMDUtV08yS3VhRjV5dnZGVXA) |
| MLB.com | Mariners say goodbye to longtime leader Castillo, set to welcome Domínguez | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxNT3lVU294MXFtcFdZajdMT0E0MzN6aXI4XzBUS2Eyb0p4VzVsdFJSVGtiSmFCUFR3U3FzY2tOaGNfLUcweHM1cVUxRGNYRktHN3p3LWU2TjYxQzgtT0RyQ2htSXNfbEZsWTFJN3lBeXZPaFBoX2xYQ1AwV21PT3I2enEzT2M0QlUzTmk0MG5ZaTZ2MUE?oc=5) |
| Lookout Landing | La Piedra Para Siempre | [Source Link](https://news.google.com/rss/articles/CBMijAFBVV95cUxPeTZHbTJQZkdjbXZLbHllTmFkRVVaU2tIZ2N5b2UzcXJ6OEdIQmk1NGJOQWwycERnbFpxNFN2dS1KTXZXa21qNFZGak9fOG9ySnV1Vm5mdjlyM2lMcENNQ0puZkphSlFuN1FqWjZESVpfZ2YxV1FQQVNneFVKODNhUEh5VDNTRFc0QWU0Ng?oc=5) |
| Lookout Landing | Examining the Mariners’ Return for Luis Castillo | [Source Link](https://news.google.com/rss/articles/CBMisAFBVV95cUxNaURxeFZiRGsyaEFxbG11MFhuLXdQeXlxNnVFS0UzUFlZZ19fbjRzTzVaR0JsLUhHMGNIcFBUNHJwWVdoYWlWUEV1dS1CNTA1MG5JSVBWd01yMVVJb3FSNmgwZjhtNmVaM1BaU0VWU2dsc2s0NDdWZkZ6YW9ZYmtRazlVejlJYVlPZ1dIR3I0M3R2VXgwbUExUXRBZW10LURUQU01eFZ4WkhqelVuVFE5aw?oc=5) |
| Yahoo Sports | Chicago White Sox Acquire 3-Time All-Star in Blockbuster Trade With Mariners | [Source Link](https://news.google.com/rss/articles/CBMiggFBVV95cUxPbkhKcFJ4SFRFQWhkb0h2VHpDVGUzU3lISjB0U3R2aXJxUkdCdmRobEZibTZaOXpUbXQyX0hYakFQbldUY3BZTDdrNlBycER5b0NxYXNiTU13bWw3ZEVxQWNURnhuckVUNTR0eE0weXNrWFR6dlpxdTlxVkJmQzhyQ2Jn?oc=5) |
| Yahoo Sports | Breaking: White Sox acquire Luis Castillo in deadline deal | [Source Link](https://news.google.com/rss/articles/CBMihwFBVV95cUxOQThlM0k0eHVac3lKbDhHTTJwdVJZdjFjVDBCQVMtdlBSdTMyYzh0dmVsVmFGbTFEdlYwU00wT2w2TUpxTkttWWVrQnMwNUQyN0l2cjF0UGVrMmM3Tl9jclFLQk1MQ3FGdFZYbXFLSnY3TUJBbkUyX0VOYXRVWDE3aGdDR3gybFk?oc=5) |
| MLB.com | Mariners get Domínguez for 'pen help in Castillo trade with White Sox | [Source Link](https://news.google.com/rss/articles/CBMifEFVX3lxTE5nOVJvYmdCUjJtZUJnM3dwN1poVV8xdkhSbkZ4c2FRYkhibmpFTzFBQUlXb1VjVlpxWEVkejRlT3dRMU5HY3IwVWdSNS1sX3lxbFZ4SEZVNktmd1FpNk1wMnl3b0tzRmh5TUVNckg3WWd3bjJZSFZaNXVPdEc?oc=5) |
| Yahoo Sports | Butler, WSU grad Boston Smith traded to Seattle Mariners | [Source Link](https://news.google.com/rss/articles/CBMigwFBVV95cUxPbGRwdDdKWG1HOHA1NlRzYVlPMmI5RURPcXIyUGEtMUI3ZnZjV3VIN203NFlNWVYyeUpSZ1ZMOUMzbnY1ZHFjQ3JBVzV6V01QRzZ4N0l3N0kzUjBTalgwOFBtWERjaTRaRkVlYTRNd1ZaX0tTVUYzRThURXU2RE4ydjc5cw?oc=5) |
| Lookout Landing | Mariners News: Luis Castillo, Tarik Skubal, and Camilo Doval | [Source Link](https://news.google.com/rss/articles/CBMiuAFBVV95cUxPQUo1Y2JHRXdteTJZZUZGbGRtako3T0Z2Q3REajJ5cGp3VHA2MkFzek9uTXF5cGFIb1d4c3g3a3R5Tkk1aUpVSUtNYnE4TVVkNGEwcm5uWS1YejNCTFk3LWUtdmEtNml4ZWs4eTRsNjhnckxYQ3JpSzV0NHZiZUNIR3pqY1lqNFJnZnlkaXZGeHVNMHRfblBsc1RYT19TRVpHNlZUOWJOQTF4SEJERFFfNWF3YnBlanla?oc=5) |
| Yahoo Sports | White Sox Trade Opens Door for Top Prospect to Make MLB Debut | [Source Link](https://news.google.com/rss/articles/CBMigAFBVV95cUxNQzJ5UTBtbkM5dzBjVVk4MEFtNnVRd2JBLVRKZTR6aEkyeU0wV2IzdVhvSnJYWnJMZU13Y3BlMlpxQUZiNjUzazJBaEpvX0RNTFVNVzd6VU1Hd2xleWs2MTAyS0w3UmJlc0tmNlBPdTZ1eERMZjNNeVltVjExbDRMTw?oc=5) |
| CBS Sports | Mariners' Boston Smith: Sent to Seattle | [Source Link](https://news.google.com/rss/articles/CBMijwFBVV95cUxPMnhpWmllUHpROTlDY1RjVlFDSkgxaTlVb0VhZzFjNXE4SjYzSEJKeWxDT1B4MUhsU0NCR0pDY1pVT3FfZFIzZUpreFZ4SzVNVndzY1NPRHZXd0NkT0otU3A5MzU3VE5yaGlOWlFURGNoLXQtRXd1NFNheWxraHRpem93cnJ5TXplb2VSdlUwbw?oc=5) |
| sports.yahoo.com | White Sox Trade: Why Acquiring Luis Castillo Makes Perfect Sense | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxNOGVORTJUYWFHQlJiU0VoelU4RF9tQ1MwOTlZY1RyTGZ3WURZQnZwWFMzcE9SLUREZWhzVmtxQ2RKREdXMjE5TU1QVzNraFJ4bVRNYzRwTlAyc29KNDd1WkxoQnVPVHd4bUprSzRXV3VZSXV5UGZLRXRjd1lzdjJEWjk4Zm4?oc=5) |
| Yahoo Sports | MLB trade deadline: White Sox acquire starting pitcher Luis Castillo from Mariners | [Source Link](https://news.google.com/rss/articles/CBMizgFBVV95cUxNeDNBaThsZDZtSWoyYXFCOTZuQmR3cWZ6ZGVvcXQ5LVkyYVJCenR5dUw1cGpyemJUSHNRb0NvbndUZHk2WE9VTjBUZmlHbFBSQTZKN19KZGFVLUdRS01XV2RtSHlkVFFDeHp1RnoxUWl2R3BCeUNQS0M3LTBoTHQwajJtV1VzNnd1RXBJdmpoQnp3Q3l4aVpoa1lpVU1UWFJ0V0tNa3gyTFZJUlNpWnpGNXBmVnYyUk1KS1pzVmJNUk0zYV9aVl9VMVRBSi1VUQ?oc=5) |
| lookoutlanding.com | Mariners to trade Luis Castillo to White Sox for three players | [Source Link](https://news.google.com/rss/articles/CBMivwFBVV95cUxOVWxVUTE5SmkwUnRkVWFfNG04ZEVQU1VVbnN1cXNoOC0wRXlfRDRHYmVRdGdlRENDRm1jeTFpWUVqU1lpU0xYRjdVNFRlRUtNMm1ZdFRZS2M2UDdYMTBvOVZBR0tfMlpROTM2ZDlMRF9GaE5Eei1tNUxzS0NGR1JmeGVCV1RKNnNvYzZZVWU3TDFCWVBmQ00zZ1JpTGo3N0NZSngxX3BrekV1cElzQW4wU0trT3hFTkF4eFBoSGFzVQ?oc=5) |
| MLB.com | Mariners get Domínguez for 'pen help in Castillo trade with White Sox | [Source Link](https://news.google.com/rss/articles/CBMiiAFBVV95cUxNZE51cTRuNVJ2c0tTa0hEekdpRmYxV2lEaEZpcExuT0VtVm9wc01ZT0JUT0pFMzN5RGo3YkpNS3Q3c3Fxb2tfbkhfdm5mRlAtTHBqTzg2QVVTeDhyRFd3dXkwQ2c4TTFLWmh0WDlTWS11NU5kR2VlZ3gtSlJ5SzV4RVZEbldfRXpF?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-08-02/mariners-trade-luis-castillo-to-white-sox-for-three-players*