Diaz isn't in the starting lineup Sunday versus Arizona.
The Astros recalled Ullola from Triple-A Sugar Land on Sunday.
The Astros optioned Teng to Triple-A Sugar Land on Saturday.
Jung (calf) ran the bases Saturday, Shawn McFarland of the Dallas Morning News reports.
Leiter (ankle/biceps) is heading to Arizona to resume his rehab, Shawn McFarland of the Dallas Morning News reports.
Eovaldi (elbow) threw 40 pitches in a bullpen session Saturday, MLB.com reports.
Pecko completed 4.1 innings in a no-decision against Arizona on Saturday, allowing one run on five hits and one walk while striking out two batters.
DeGrom took a no-decision against the Rays on Saturday, allowing two runs on four hits and one walk in six innings. He struck out seven.
Javier (2-5) earned the win Friday against the Diamondbacks after allowing one run on one hit and three walks while striking out eight over five innings.
Diaz is not in the Rangers' starting lineup against the Rays on Saturday.
