Roger Henry Metzger (pronounced "Met-ZEE-ger", born October 10, 1947) is an American former Major League Baseball shortstop who played most of his career for the Houston Astros (1971–1978).

Metzger graduated high school from Holy Cross of San Antonio and then attended St Edward's University.

He was selected in the 1st round (16th overall) of the 1969 Major League Baseball draft by the Chicago Cubs, and he made his debut for them a year later.

On November 29, 1979, Metzger lost the tips of four fingers on his right hand (index to pinky) in an electric table-saw accident.

[2] In 11 seasons Metzger played in 1,219 games and had 4,201 at bats, 453 runs, 972 hits, 101 doubles, 71 triples, five home runs, 254 RBI, 83 stolen bases, 355 walks, .231 batting average, .291 on-base percentage, .293 slugging percentage, 1,230 total bases, 90 sacrifice hits, 22 sacrifice flies and 34 intentional walks.