![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://images.seattletimes.com/wp-content/uploads/2017/07/ONEILL-1_123118_tzr.jpg?d=780x501)
Trade analysis: Mariners deal a top prospect in Tyler O'Neill but
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://media.bleacherreport.com/image/upload/x_0,y_167,w_1800,h_1200,c_crop/v1698096112/t3mlwhjdwpklxraq5l72.jpg)
Wild MLB Trade Ideas We'd Love to See Come True in 2023-24
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://cdn.vox-cdn.com/thumbor/ficsLx_KNZGf-abEtVRMbGWbW50=/0x0:3147x4627/1400x1400/filters:focal(1314x544:1816x1046):format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/55824647/usa_today_9889463.0.jpg)
Mariners Trade Tyler O'Neill to Cardinals for Marco Gonzales
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://a.espncdn.com/photo/2014/0630/fan_a_gonzales_d1_1296x729.jpg)
Seattle Mariners send top prospect Tyler O'Neill to St. Louis
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://images2.minutemediacdn.com/image/upload/c_fill,w_720,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/https-3A-2F-2Fredbirdrants-com-2Fwp-content-2Fuploads-2Fgetty-images-2F2018-2F08-2F1323615185-850x560-568f949ab93f1cd2cb7d0cb135c0f04a.jpg)
Looking back on the Cardinals Marco Gonzales-Tyler O'Neill trade
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](http://www.gannett-cdn.com/-mm-/e380e40ffc671b4314fa7d62922bf0c29cb7d09e/c=224-0-3305-1741&r=1280x720/local/-/media/2017/07/31/USATODAY/USATODAY/636371121761595343-USATSI-10113649.jpg?width=660&height=371&fit=crop&format=pjpg&auto=webp)
Cardinals acquire Mariners top prospect Tyler O'Neill for Marco
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://www.heraldnet.com/wp-content/uploads/2018/11/14235626_web1_M1-181102-EDH-Mariners.jpg)
Report: M's, Gonzales agree to 2-year, $1.9 million deal
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/jk9u9at86pt9hauwrtl5)
Cardinals acquire Tyler O'Neill from Mariners
![Mariners send top prospect Tyler O'Neill to Cardinals for Marco Gonzales](https://static.wixstatic.com/media/6fdd48_2f2333a2870d48ff86efe27eb99546f3~mv2.jpg/v1/fill/w_600,h_388,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/6fdd48_2f2333a2870d48ff86efe27eb99546f3~mv2.jpg)
The emergence of Tyler O'Neill