PITTSBURGH — The Pittsburgh Pirates have made a number of roster moves surrounding their bullpen, which work for them, but not necessarily for the pitchers. The Pirates used rookie pitchers in right-hander Wilber Dotel and left-hander Hunter Barco in recent games, but then sent them down to Triple-A Indianapolis right after their respective outings. Dotel came up on April 19, pitched in back-to-back games and then four scoreless innings against the St. Louis Cardinals in the series opener on April 27, before the Pirates optioned him. Barco came up for his appearance vs. the Cardinals on April 28 and then after throwing 4.2 innings, the Pirates immediately sent him down the next day. These moves have helped the Pirates have a rested bullpen, but at the cost of the development of two of their best arms for the future. Pirates Must Do Right by Rookie Pitchers Barco and Dotel have promise of becoming strong pitching options for the Pirates and each has shown that at times in 2026. Dotel was excellent vs.…