Seattle Mariners Executive Vice President & General Manager of Baseball Operations Jerry Dipoto announced today the following roster moves:
Vieira (#40) will be in uniform and available for tonight's (7:10 p.m.) game vs. the Baltimore Orioles at Safeco Field.
 
Vieira (pronounced "chee-AH-go" "vee-AIR-ah"), 24, will be making his Major League debut with his first appearance. He earned 2 saves while posting a 3.18 ERA (4 ER, 11.1 IP) with 10 strikeouts and 6 walks in 7 appearances with AAA Tacoma. Prior to being promoted to Tacoma on July 19, the 6-foot-2, 210-pound right-hander made 29 outings with AA Arkansas. He went 2-3 with 2 saves and a 3.72 ERA (15 ER, 36.1 IP) with 35 strikeouts and 15 walks. Overall, he is 2-3 with 4 saves and a 3.59 ERA (19 ER, 47.2 IP) while striking out 45 and walking 21 in 36 combined games. He struck out multiple batters in 10-of-his-29 outings with Arkansas and 3-of-his-7 games with Tacoma, including a season-high 5 strikeouts over 2.0 innings on April 22 vs. Springfield. Vieira was named to the World Team (Brazil) roster for the 2017 All-Star Futures Game. He struck out 1 while allowing 1 hit and 1 walk in 0.2 scoreless innings on July 9 vs. the U.S. Futures squad.
 
In 2016, he went 1-0 with 8 saves and a 2.84 ERA (14 ER, 44.1 IP) with 53 strikeouts and 18 walks in 34 games with advanced-A Bakersfield. His 8 saves ranked T9th in the California League. The native of Sao Paulo, Brazil, originally signed by Seattle as a non-drafted free agent on Sept. 21, 2010. In parts of 7 minor league seasons with the Mariners, Vieira is 14-18 with 13 saves and a 4.53 ERA (143 ER, 284.1 IP) with 237 strikeouts and 146 walks in 144 career games (28 starts).
 
Bergman, 29, made 2 relief appearances with the Mariners since being selected from AAA Tacoma prior to Saturday's game. He combined for 5.0 scoreless innings in relief - including 4.0 scoreless innings yesterday vs. the Angels - scattering 2 hits and 1 hit batsman while striking out 3. Overall, the 6-foot-1, 195-pound right-hander is 4-4 with a 4.91 ERA (28 ER, 51.1 IP) with 33 strikeouts and 14 walks in 11 games (8 starts) over two stints (5/7-6/20 and 8/12-13) with Seattle this season. In 14 starts with AAA Tacoma, Bergman is 8-3 with a 4.88 ERA (43 ER, 79.1 IP) with 60 strikeouts and 16 walks.
 
In 4 Major League seasons with Colorado (2014-16) and Seattle (2017), he is 11-13 with a 5.56 ERA (123 ER, 199.0 IP) with 123 strikeouts in 66 games (23 starts). He was selected by Colorado in the 24th round of the 2010 MLB Draft.