- Roric Harrison pitched in five seasons from 1972-1978. Harrison was signed by the Houston Astros in 1964. Roric pitched in the Houston system from 1965-1969 without a whole lot of success. Harrison only pitched in three minor league games in 1969. On August 24, 1969 Harrison was traded (with Dooley Womack) to the Seattle Pilots for Jim Bouton.
- Harrison pitched in the minors for the Milwaukee Brewers organization (the Pilots had moved to Milwaukee) in 1970. At the end of spring training in 1971 Roric was traded with a minor leaguer to the Baltimore Orioles for Marcelino Lopez. Harrison pitched for AAA Rochester in 1971 and had a 15-5 record with a 2.81 ERA. Harrison wrenched his knee at the end of the 1971 season and that injury cost him a late-season promotion to the Orioles.
- Roric made the Orioles' staff in 1972. He went 3-4 with four saves and had a 2.30 ERA in 39 games (2 starts). On October 3 Harrison hit a solo home run and ended up being the last AL pitcher to hit a home run in an American League game before the DH rule was put in place in 1973.
- After the 1972 season Harrison was traded (with Pat Dobson, Davey Johnson, and Johnny Oates) to the Atlanta Braves for Earl Williams and Taylor Duncan. Roric started the 1973 season in the bullpen and was moved into the starting rotation in late May. Harrison went 11-8 with a 4.16 ERA in 38 games (22 starts) in 1973.
- Harrison made 20 starts in 1974 but was injured on July 16 and didn't pitch for the rest of the year. Roric ended up going 6-11 with a 4.71 ERA in 1974.
- Roric split the 1975 season between the Braves and the Cleveland Indians. Harrison went 3-4 with one save and a 4.77 ERA in 15 games (7 starts) for the Braves. On June 7 Roric was traded to the Cleveland Indians for Blue Moon Odom and Rob Bellior. Harrison became a starter for the Indians and went 7-7 with a 4.79 ERA in 19 starts.
- At the end of spring training in 1976 Harrison was traded to the St. Louis Cardinals for Harry Parker. Roric ended up spending the season in AAA Tulsa. He made only 15 appearances in 1976.
- Harrison was released during spring training in 1977. Roric signed with the Detroit Tigers and pitched for AAA Evansville.
- The Tigers released Harrison during spring training in 1978. He signed with the Pittsburgh Pirates on March 30 but was released on April 9. Roric signed with the Minnesota Twins and was assigned to AAA Toledo. Harrison pitched in nine games (0-1, 7.50 ERA) for the Twins in July and that was it for his career.