Two runs score on DeShields' error (0:42)
Colon crushes cake on birthday (0:27)

Tim MacMahon ESPN Staff Writer 

According to Rick Carlisle, Stephen Silas has agreed to a multi-year deal to join the Mavs coaching staff. He will replace Melvin Hunt, who is leaving for the Atlanta Hawks.

Rangers outlast Yankees in slugfest (1:22)
Rangers go ahead on big double (0:40)

Todd Archer ESPN Staff Writer 

Zack Martin is not taking part in the OTAs but there is no doubting how the Cowboys and Jason Garrett feel about him. Martin has taken over the locker that had been occupied by Jason Witten for two years at The Star. Garrett puts all of the team leaders in strategic spots in the room. DeMarcus Lawrence has moved to Dez Bryant's spot. Travis Frederick has moved to a corner spot occupied by Darren McFadden.

Todd Archer ESPN Staff Writer 

Normally running backs will take almost all of their carries during practice to the end zone to work on conditioning. Ezekiel Elliott did more than that in the first OTA. On the final rep of team drills whether he got the ball or not he ran to the end zone, sometimes as much as 40 yards.

Todd Archer ESPN Staff Writer 

On May 9, Jerry Jones was not sure what the resolution would be to the NFL's national anthem issue, but said, “Everyone knows my position on that. And so we'll give the kind of sensitivity and thought and discussion that it deserves and we'll come up with a league-wide, going forward, position. But I reiterate that everybody knows where I stand on it.”

Todd Archer ESPN Staff Writer 

All-Pro right guard Zack Martin did not take part in Tuesday's OTA and it's not clear if he will work in any of them, according to multiple sources. The Cowboys and Martin's agents have been in talks regarding a long-term deal over the last few weeks. The OTAs are voluntary and Martin has been at The Star working out since the captains' sessions started almost a month before the official start of the offseason program.

Jones wants to put the focus on football (0:49)