New York Mets
Although he has not thrown an MLB pitch in 2018, Robert Gsellman threw 2,721 pitches that were tracked by the PITCHf/x system between 2016 and 2017, all of them occuring in the MLB Regular Season. In 2017, he relied primarily on his Sinker (93mph), also mixing in a Fourseam Fastball (94mph), Slider (89mph), Curve (81mph) and Change (86mph).
Basic description of 2017 pitches compared to other RHP:
His sinker has slight armside run and has slightly above average velo. His fourseam fastball has essentially average velo and has slight armside run. His slider is thrown extremely hard, has much less depth than expected, has primarily 12-6 movement and generates fewer whiffs/swing compared to other pitchers' sliders. His curve is slightly harder than usual and has primarily 12-6 movement. His change has a lot of backspin, is slightly firmer than usual and has slight armside fade.