Bill Center, longtime sportswriter for U-T San Diego, is an employee of the Padres.

When catcher Austin Allen drew a four-pitch walk at Coors Field in Denver Saturday night, he became the eighth player to make his Major League debut with the Padres this season.

Allen was also the third member of the Padres Top 30 Prospects list to make his debut -- joining No. 1 prospect shortstop Fernando Tatis Jr. and right-handed starting pitchers Chris Paddack (No. 5) and Cal Quantrill (No. 12). Allen was ranked the Padres’ No. 20 prospect.

Also making their Major League debuts this season are left-handed starting pitcher Nick Margevicius, right-handed starting pitcher Pedro Avila, third baseman Ty France and right-handed relief pitcher Gerardo Reyes.

NOTEBOOK

• Hunter Renfroe and Wil Myers like hitting against Rockies right-hander Jon Gray. Each homered off Gray Saturday night. Renfroe is now 4-for-6 lifetime against Gray with a double and three homers. Myers has homered in each of his two starts against Gray this season.

• Myers was 2-for-4 Saturday after going 4-for-41 with two doubles, a homer and five RBIs since April 24.

• Renfroe is 9-for-25 over his last seven games with two doubles, four homers, eight RBIs and five runs scored for a .920 slugging percentage and a 1.280 OPS.

• Eric Hosmer was 1-for-4 Saturday to stretch his hitting streak to nine games (14-for-37 with three doubles, a homer and six RBIs. He has hit safely in 17 of his last 19 games, going 28-for-76 (.368) with six doubles, five homers, 16 RBIs and 14 runs scored for a .388 on-base percentage and a .645 slugging percentage for a 1.033 OPS. He has raised his batting average from .174 to .276.

• Franmil Reyes is 19-for-50 (.380) while hitting safely in 11 of 13 games since April 28. He has three doubles and four homers during the run with eight RBIs and eight runs scored while raising his batting average from .192 to .268.

• Manny Machado has hit safely in five straight games (7-for-21) and 10 of his last 11 games, going 13-for-46 with a double, four home runs, eight RBIs and eight runs scored. He had his first three-hit game as a Padre Friday night.

• Greg Garcia has now reached base in 12 of his last 13 games, although he had only one at-bat in four of those games. He is 8-for-28 with nine walks, a double, a homer four RBIs and seven runs scored during the run for a slash line of .286/.447/.429/.876.

• Austin Hedges was 2-for-3 with a walk Saturday to end a 0-for-16 streak and a 2-for-30 run dating back to April 26.

• Craig Stammen has given up eight runs (seven earned) on 14 hits (including four homers) in 12 innings over his last 10 appearances dating back to April 19. His earned run average has shot up from 0.96 to 3.38.