Justin Jones and Asa Watson—two undrafted free-agent tight ends—got one chance to impress Bill Belichick. As evidenced by their eventual release, reported by Ben Volin of The Boston Globe, Belichick wasn't impressed.
At this point in his—and Tom Brady's—career, he is not a patient man. Don't ask the same question two ways expecting a different response. Don't ask about injuries. Lastly, don't disappear when the lights are the brightest. The one combined target for Jones and Watson, combined with their poor blocking effort, sealed their fate.
Belichick replaced Watson and Jones with two veterans—Ben Hartsock and Steve Maneri—and another undrafted rookie in Terrence Miller.
Let's take a look at the tight end depth chart and the chances of each player making the team.