David Sims (born February 14, 1953) is an American sportscaster. He is currently a televised commentator for the Seattle Mariners. Sims was the 2018, 2019 and 2020 Sportswriter of the Year for the Washington State National Sports Media Association. This is his 16th season co-hosting (with Mike Krzyzewski) basketball and other shows with Coach K on Sirius XM Satellite Radio. In 2009, Sims was also the live TV host of UFL on Versus.
Sims grew up in Philadelphia and attended Bethany College in West Virginia, where he played a year of college football, finished third in the Presidents Athletic Conference kickoff return and played for the Bison baseball team. (Third Level) and Mass Communication Research Catcher. He began his career as a sports reporter for the New York Daily News.
In the early 80s, he was a sports reporter for a short-lived satellite news channel. After turning to broadcast, Sims became host of WNBC’s SportsNight (1986-1988) (replacing Jack Spector), a five-hour nightly sports phone show that pioneered WFAN’s all-sports talk format. He was hired by Michael Weisman as a track reporter for NBC Sports’ 1988 Summer Olympics television program. From September to February 1989, he co-hosted New York sports station 66 WFAN’s midday show with Ed Coleman. 1993. He then became a weekend sportscaster for WCBS-TV in New York (1995-1998) and a radio host for the New York Knicks (1986-1993).
Sims began his on-field broadcasting career (1990-1992) as a radio face for the Temple Owls football team in the Big East. Turning to television, Sims was the face of weekly football games in the Big East Conference (1993-1994) and thereafter (1998-2007).
Sims joined ESPN in 1991 as a live broadcaster for college basketball and in 1998 for college football. He primarily broadcasts Big East games on the regional ESPN Plus network. As of 2016, he continued to broadcast college basketball for FOX and FS1.
Sims was the NFL’s second-biggest announcer for Westwood One Sports’ Sunday afternoon doubles games, before becoming permanent Sunday Night Football broadcaster.  He replaced Joel Meyers on Sunday Night Football in 2006. From 2006 to 2012, Sims was involved in Sunday Night Football. From 2013 to 2014, Sims returned to the NFL’s Sunday afternoon game while teaming with former NFL quarterback Marc Malone.
In addition to Sunday Night Football, Sims played college basketball for Westwood One (1998–2014), his most notable call-up to date being the 2006 Regional Finals between George Mason and UConn ( George Mason, then No. 11, beat the UConn leader). Second No. 11 seed in history to reach the Final Four).