Lopez, 30, is making second stint with the Rockies after opening the year on the Opening Day roster and appearing in four games (6.1 ip, 8 er). In 20 games for Triple-A Colorado Springs he has gone 0-2 with a 4.54 ERA (35.2 ip, 18 er). Over six seasons with the Houston Astros (2009-12) and Colorado Rockies (2013-14) he has appeared in 292 Major League games with two starts. He has gone 16-17 with 11 saves and a 3.54 ERA (305.1 ip, 120 er), 337 hits, 57 walks and 221 strikeouts.
Parker, 24, made his Major League debut on June 16 in Los Angeles after being recalled earlier in the day. In four games with Colorado, he had three pinch-hit appearances (0-for-3) and one start at first base on June 18 at the Dodgers (0-for-3). Parker was originally drafted by the Rockies in the first round (26th overall) of the 2010 First-Year Player draft out of Clemson University.
Martin, 28, has appeared in 16 games for the Rockies with no record, a 6.89 ERA (15.2 ip, 12 er), 4 walks and 14 strikeouts over two stints with the parent club. The 6-foot-7 right-hander was acquired by Colorado, along with left-handed pitcher Franklin Morales, from Boston in exchange for infielder Jonathan Herrera on December 18, 2013. Martin has spent the balance of his season at Triple-A Colorado Springs where in 14 games he has gone 0-1 with a 5.52 ERA (14.2 ip, 9 er), 5 walks and 21 strikeouts.
Cuddyer, 35, was originally placed on the disabled list on June 9 (retroactive to June 6) with left shoulder inflammation before x-rays revealed a fractured left shoulder. In 31 games this year, Cuddyer has hit .317 (38-for-120) with seven doubles, five home runs, 16 RBI and 16 runs. The Norfolk, VA native has played in 1,401 career games hitting .278 (1399-for-5039) with 307 doubles, 40 triples, 182 home runs, 738 RBI and 749 runs.
The Rockies currently have a full 40-man roster.