The following is the 1998 MLS television schedule on ESPN and ESPN2. The Univision schedule will be announced in the near future. Note: Start times for two games have changed since the 1998 MLS schedule was announced. The March 29 match between New England and D.C. United will start at 5:00 p.m. (ET) rather than 4:30, and the April 11 match between Colorado and D.C. United will start at 7:30 p.m. (ET) rather than at 7:00.
| Date | Matchup | Kickoff (ET) | Channel | |
| Saturday, March 21 | Kansas City at D.C. United | 8:00 p.m. | ESPN2 | |
| Thursday, March 26 | Miami at Tampa Bay | 7:30 p.m. | ESPN2 | |
| Sunday, March 29 | New England at D.C. United | 5:00 p.m. | ESPN | |
| Saturday, April 4 | MetroStars at Kansas City | 8:30 p.m. | ESPN2 | |
| Saturday, April 11 | Colorado at D.C. United | 7:30 p.m. | ESPN | |
| Friday, April 17 | MetroStars at Chicago | 8:30 p.m. | ESPN | |
| Saturday, May 9 | Columbus at Miami | 4:00 p.m. | ESPN2 | |
| Saturday, May 16 | D.C. United at MetroStars | 5:00 p.m. | ESPN2 | |
| Thursday, May 28 | Miami at Colorado | 9:30 p.m. | ESPN2 | |
| Saturday, May 30 | Chicago at Los Angeles | 10:30 p.m. | ESPN2 | |
| Thursday, June 4 | Los Angeles at Dallas | 8:00 p.m. | ESPN2 | |
| Sunday, June 7 | MetroStars at Miami | 3:30 p.m. | ESPN | |
| Thursday, June 11 | San Jose at Chicago | 8:00 p.m. | ESPN2 | |
| Thursday, June 18 | Colorado at Los | Angeles | 10:00 p.m. | ESPN2 |
| Thursday, June 25 | D.C. United at Colorado | 9:00 p.m. | ESPN2 | |
| Thursday, July 2 | Miami at D.C. United | 7:30 p.m. | ESPN2 | |
| Thursday, July 16 | Columbus at Colorado | 9:00 p.m. | ESPN2 | |
| Saturday, July 25 | Chicago at MetroStars | 3:00 p.m. | ESPN | |
| Thursday, Aug. 6 | Miami at Tampa Bay | 7:30 p.m. | ESPN2 | |
| Friday, Aug. 7 | D.C. United at Dallas | 8:30 p.m. | ESPN | |
| Thursday, Aug. 13 | Kansas City at Los Angeles | 10:00 p.m. | ESPN2 | |
| Friday, Aug. 14 | New England at Tampa Bay | 7:30 p.m. | ESPN | |
| Friday, Aug. 21 | Chicago at Colorado | 9:30 p.m. | ESPN | |
| Saturday, Aug. 22 | Dallas at San Jose | 10:30 p.m. | ESPN2 | |
| Thursday, Sept. 3 | San Jose at Tampa Bay | 7:30 p.m. | ESPN2 | |
| Thursday, Sept. 10 | D.C. United at Kansas City | 8:00 p.m. | ESPN2 | |
| Thursday, Sept. 17 | Kansas City at Chicago | 8:30 p.m. | ESPN2 | |
| Thursday, Sept. 24 | Tampa Bay at Columbus | 7:30 p.m. | ESPN2 | |
| Sunday, Sept. 27 | Chicago at Los Angeles | 7:30 p.m. | ESPN2 |