Dallas Cowboys tight end Geoff Swaim (87) against the San Francisco 49ers during an NFL football game in Santa Clara, Calif., Sunday, Oct. 22, 2017. (AP Photo/Eric Risberg)

Dallas Cowboys tight end Geoff Swaim (87) runs after a catch during a 2016 NFL week 2 regular season game against the Washington Redskins, Sunday, September 18, 2016, in Landover, Maryland, The Cowboys defeated the Redskins, 27-23. (James D. Smith via AP)

Dallas Cowboys rookie tight end Geoff Swaim (87) catches a pass during an NFL preseason game against the San Francisco 49ers at Levi's Stadium on August 23, 2015. The 49ers defeated the Cowboys 23-6. (Kevin Terrell via AP)

Dallas Cowboys tight end Geoff Swaim (87) runs upfield during a Week 7 NFL game against the San Francisco 49ers, October 22, 2017 in Santa Clara, Calif. The Cowboys defeated the 49ers 40-10. (Kevin Terrell via AP)

Dallas Cowboys tight end Geoff Swaim (87) reaches to catch a pass during warm ups before an NFL football game against the Los Angeles Rams on Sunday, Oct. 1, 2017, in Arlington, Texas. (AP Photo/Ron Jenkins)

Dallas Cowboys tight end Geoff Swaim (87) catches a pass before a 2018 NFL week 2 preseason game against the Cincinnati Bengals, Saturday, August 18, 2018 in Arlington, Texas. The Bengals defeated the Cowboys, 21-13. (James D. Smith via AP)

Dallas Cowboys tight end Geoff Swaim (87) runs after a catch during a 2018 NFL week 11 regular season game against the Atlanta Falcons, Sunday, Nov. 18, 2018 in Atlanta. The Cowboys defeated the Falcons, 22-19. (James D. Smith via AP)

Dallas Cowboys tight end Geoff Swaim (87) during an NFL game between the Seattle Seahawks and Dallas Cowboys , Sunday, Sept. 23, 2018, in Seattle. (Tom Hauck via AP)

Dallas Cowboys tight end Geoff Swaim #87 during an NFL preseason football game against the Los Angeles Rams on Saturday, Aug. 12, 2017 in Los Angeles. (Ric Tapia via AP)

Dallas Cowboys tight end Geoff Swaim (87) walks out of the tunnel during warm ups prior to an NFL football game against the Carolina Panthers in Charlotte, N.C., Sunday, Sept. 9, 2018. The Panthers defeated the Cowboys 16-8. (Perry Knotts via AP)

Dallas Cowboys tight end Geoff Swaim (87) is tackled by Seattle Seahawks cornerback Shaquill Griffin (26) during an NFL game between the Seattle Seahawks and Dallas Cowboys , Sunday, Sept. 23, 2018, in Seattle. (Tom Hauck via AP)

Dallas Cowboys tight end Geoff Swaim (87) runs after a catch during a 2018 NFL week 7 regular season game against the Washington Redskins, Sunday, Oct. 21, 2018 in Landover, Md. The Redskins defeated the Cowboys, 20-17. (James D. Smith via AP)

Dallas Cowboys' Geoff Swaim (87) warms up before an NFL football game against the Los Angeles Chargers on Thursday, Nov. 23, 2017, in Arlington, Texas. (AP Photo/Ron Jenkins)

Dallas Cowboys tight end Geoff Swaim (87) runs after a catch during a 2018 NFL week 5 regular season game against the Houston Texans, Sunday, Oct. 7, 2018 in Houston. The Texans defeated the Cowboys in overtime, 19-16. (James D. Smith via AP)

Dallas Cowboys tight end Geoff Swaim (87) warms up during an NFL football game against the Jacksonville Jaguars on Sunday, Oct. 14, 2018 in Arlington, Texas. (Greg Trott via AP)

Dallas Cowboys tight end Geoff Swaim (87) runs the football during an NFL football game against the Houston Texans on Sunday, Oct. 7, 2018, in Houston. The Texans defeated the Cowboys in overtime, 19-16. (Ryan Kang via AP)

Dallas Cowboys tight end Geoff Swaim (87) runs the ball during of an NFL football game against the Atlanta Falcons Sunday, Nov. 18, 2018, in Atlanta. (Tom DiPace via AP)