When did they start televising the nfl draft?
In 1980, Chet Simmons, president of the year-old ESPN, asked Pete Rozelle if the fledgling network could broadcast coverage of the draft live on ESPN. Although Rozelle did not believe it would be entertaining television, he agreed. In 1988, the NFL moved the draft from weekdays to the weekend and ESPN's ratings of the coverage improved dramatically.<ref name = "NYT 1991/04/22"> </ref>
When did they start televising the nfl draft on ESPN?
1980
National Football League Draft
In 1980, Chet Simmons, president of the year-old ESPN, asked Pete Rozelle if the fledgling network could broadcast coverage of the draft live on ESPN. Although Rozelle did not believe it would be entertaining television, he agreed. In 1988, the NFL moved the draft from weekdays to the weekend and ESPN's ratings of the coverage improved dramatically.<ref name = "NYT 1991/04/22"> </ref>
When did they start televising the nfl draft on ESPN on the weekends?
1988
National Football League Draft
The 2010 NFL draft was the first draft to take place over three days. Its first round was on Thursday, April 22 at 7:30 p.m. ET, with the second and third rounds on Friday, April 23 at 6 p.m. ET, followed by the remaining rounds on Saturday, April 24 at 10 a.m. ET.
When did they start televising the nfl draft over three days?
2010
National Football League Draft
In the 2018 NFL Draft, the first two evenings aired on broadcast television, with Fox and NFL Network carrying a simulcast featuring personnel from both the NFL Network and Fox Sports. ESPN continued to produce its own coverage of the draft, with ESPN2 simulcasting days 1 and 2, while ABC simulcasting day 3. NFL Network‘s main set featured the crew of host Rich Eisen, Daniel Jeremiah, Draft Expert Mike Mayock, and Stanford head coach David Shaw, with Steve Mariucci, Steve Smith Sr., and Fox NFL lead analyst Troy Aikman joining from an outside set for day 1. Other analysts included: Fox College Football lead analyst Joel Klatt, Fox NFL analyst Charles Davis, and Deion Sanders.
When did they start televising the nfl draft  (simulcast) on Fox, NFL Network, ESPN and ABC?
2018
National Football League Draft
No context provided
When did they start televising the nfl draft on  only ABC/ESPN?
2019
National Football League Draft
https://en.wikipedia.org/wiki/National%20Football%20League%20Draft
In 1980, Chet Simmons, president of the year-old ESPN, asked Pete Rozelle if the fledgling network could broadcast coverage of the draft live on ESPN.
National Football League Draft
In 1988, the NFL moved the draft from weekdays to the weekend and ESPN's ratings of the coverage improved dramatically.
National Football League Draft
In 2010, the NFL moved to a three-day draft with the first day encompassing the first round beginning at 8:00 pm EDT Thursday, the second day encompassing the second and third rounds beginning at 7:00 pm EDT Friday, and third day concluding the process with the final four rounds beginning at 11:00 am EDT Saturday.


National Football League Draft
In the 2018 NFL Draft, the first two evenings aired on broadcast television, with Fox and NFL Network carrying a simulcast featuring personnel from both the NFL Network and Fox Sports.
National Football League Draft
ABC picked up the broadcast television rights for all 3 days of the draft in 2019.
National Football League Draft
ESPN started broadcasting the NFL draft in 1980, and the network asked the NFL to change the draft to the weekends in 1988. The draft once again changed formats on 2010, becoming a three day event. For the 2018 NFL Draft, the first two evenings aired on broadcast television, being simulcast in Fox and NFL Network.  ABC picked up the broadcast television rights for all 3 days of the draft in 2019.