He won All-North Central Conference honors in 1961, and the team was in the NCAA playoffs with Watt as its top pitcher.

Jim Palmer, Wally Bunker, and Dave McNally all pitched complete games, and the team needed only one relief appearance, provided in record fashion by Moe Drabowsky.

[6] In 1969, the Orioles won the American League pennant and were upset in the World Series by the New York Mets.

Watt contributed to Baltimore's 109–53 regular season record with a career-high 16 saves and a career-low 1.65 earned run average in 71 innings.

With the Orioles leading 5–3, he entered the contest in relief of Jim Palmer who had allowed a walk to Tony Pérez and a single to Johnny Bench to open the top of the eighth inning.

His first pitch to Lee May resulted in a three-run homer to left field that prevented the Orioles from sweeping the Series which it would eventually win the following day.

[9] In Game 1 of the 1971 American League Championship Series versus the Oakland Athletics, Watt relieved starter Dave McNally, blanking the A's for the last two innings, earning a save.

[10] The Orioles would go on to sweep the Athletics, eventually facing the Pittsburgh Pirates in that year's Fall Classic, where Watt would make relief appearances in Games 3 and 4.

[5] He was released by Philadelphia just before Opening Day in 1975, and he hooked on briefly with the Chicago Cubs, making his last major league appearance on June 14, 1975.