Norris, who was traded away nearly five years ago to Oakland, will most likely split time with Jose Lobaton while Pedro Severino becomes trade bait or insurance, given his age and option status.
Avila, 19, rose quickly through the Nationals farm system making the jump from the DSL in 2015 to Low-A in 2016. He went 5-5 with 2.91 ERA in the first half, but 2-2, 4.18 in the second half, which is not uncommon for young pitchers in their first full season. The Venezueln teenager had been rated as the #23 prospect in the most recent listing by the MLB.com.