He was present in the booth at Shea Stadium, along with Bob Murphy, for the sixth game of the 1986 World Series between the Mets and Boston Red Sox.

[9][10] Thorne served as the TV play-by-play announcer for the Mid-Atlantic Sports Network's Baltimore Orioles games from 2007 to 2019.

[12] From July 16–18, 2021, Thorne filled in for Gary Cohen on play-by-play for the SNY broadcast of the New York Mets' series against the Pittsburgh Pirates.

[13] On September 23, 2022, Thorne filled in for Wayne Randazzo on radio for a WCBS broadcast of a game between the Mets and the Athletics.

[14] In 1989, Thorne was named a backup play-by-play announcer (behind Al Michaels and replacing Gary Bender in this particular capacity) for ABC's coverage of Thursday Night Baseball telecasts with Joe Morgan.

Like his ABC Sports colleagues, Al Michaels, Jim Palmer, Tim McCarver, and Joe Morgan, Thorne was at San Francisco's Candlestick Park when the Loma Prieta earthquake hit on October 17, 1989.

[16] In 1995, Thorne called the first two games of the American League Division Series between the New York Yankees and Seattle Mariners on NBC/The Baseball Network with Tommy Hutton.

Likewise, it was Thorne who was on the call for MLB International when New York Mets third baseman Robin Ventura hit a "Grand Slam Single" to end Game 5 of the 1999 National League Championship Series against the Atlanta Braves after 15 innings.

[19]In 2008, Thorne was named the lead play-by-play announcer for ESPN Radio's Sunday Night Baseball coverage, working alongside color commentator Dave Campbell.

Thorne has also worked on one of ESPN Radio's postseason Division Series crews each year, and (as previously mentioned) called the 2008 All-Star Game for non-U.S. viewers via MLB International television.

From 1987–1993, Thorne served as the play-by-play voice of the New Jersey Devils of the NHL (before being replaced by Mike Emrick) on SportsChannel New York.

[38][39] In addition, NBC enlisted Thorne to call the hockey tournament with John Davidson during the 2002 Winter Olympics in Salt Lake City.

He also picked up duties as the lead play-by-play announcer for the Frozen Four, again paired with color commentator Bill Clement and Darren Pang.

Thorne was named to call the play-by-play of Team USA's games in the 2010 World Junior Ice Hockey Championships for the NHL Network alongside Dave Starman.

He returned to NHL Network in 2011 to call Team USA's games in the 2011 World Junior Ice Hockey Championships.

[42] When ESPN/ABC regained the rights to the NHL for the 2021–22 season, many fans had pushed ESPN to bring back him and Clement for their coverage together.

In 2011, Thorne joined CBS Sports Network as a play-by-play man for college football and has been paired with Randy Cross as color analyst.

[45] ESPN replaced Rob Stone the remaining (unrecorded) events for the 2011–12 season by Thorne, including Pete Weber's record-breaking fifth U.S. Open championship.

[citation needed] In September 2002, Thorne reportedly talked of dissension in the Mets clubhouse between manager Bobby Valentine and the team's players.

In April 2007, in reference to Curt Schilling's famed bloody sock during the 2004 MLB playoffs, Thorne said during a broadcast of a Red Sox–Orioles game that Boston backup catcher Doug Mirabelli admitted it was a hoax.