![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://i.ytimg.com/vi/4Ahf8vqx5KQ/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCfYt9jTdih5XQSZmxEq_71_7m8KA)
David Ortiz serving as grand marshal of Boston Marathon
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=593299499530618&get_thumbnail=1)
OTD: David Ortiz legendary speech, Boston Red Sox, Boston Marathon, David Ortiz, Fenway Park
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://i.ytimg.com/vi/ARGxl7ETqTo/sddefault.jpg)
David Ortiz Giving Back as Boston Marathon Grand Marshal (Troy Lynch - PKG/Liveshots)
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=10157439588984445)
WCVB Channel 5 Boston - Tom Brady sums it up perfectly. David Ortiz has stood strong with Boston, and now every one of us is supporting him.
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://kubrick.htvapps.com/htv-prod-media.s3.amazonaws.com/ibmig/cms/image/wcvb/25576556-ap669947137931-0-jpg.jpg?crop=1xw:0.85459940652818989xh;center,top&resize=640:*)
Red Sox remember bombing victims in emotional ceremony
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://hips.hearstapps.com/vidthumb/2d31c1bf-33c1-43bd-bede-48ecdfa4e420/136f345d-834b-4bd4-b65d-c17f3d4d7de5.jpg?crop=1xw%3A1.0xh%3Bcenter%2Ctop&resize=810%3A*&quality=70)
Boston Marathon Grand Marshal David Ortiz treasures experience
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://i.ytimg.com/vi/8h6Si5WJxyc/maxresdefault.jpg)
David Ortiz reveals which former teammate he thinks could run the Boston Marathon
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=2428405233878373)
WCVB Channel 5 Boston - Tom Brady sums it up perfectly. David Ortiz has stood strong with Boston, and now every one of us is supporting him.
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://kubrick.htvapps.com/htv-prod/ibmig/cms/image/wcvb/41924834-david-ortiz-tips-cap-1002-jpg.jpg?crop=1.00xw:0.871xh;0,0.101xh&resize=1200:*)
David Ortiz agrees to long-term deal with Boston Red Sox
![WCVB Channel 5 Boston - Boston Marathon Grand Marshal and former Boston Red Sox slugger David Ortiz joined marathon workers at the start line moments before the start of Monday's race. #Boston127](https://arc-anglerfish-arc2-prod-bostonglobe.s3.amazonaws.com/public/JXAJ5XREKMI6PESBAWIFSW7U7A.jpg)
David Ortiz toasts Boston Marathon runners - The Boston Globe