Why I don't give up on Bonser?

Because he reminds me of this guy:
MLB stats:

Player X:

Age 23: 10-7 21 games 19 s, 122.3 IP, 37 BB, 74 K, 3.24 ERA, 108 ERA +, 1.267 WHIP
Age 24: 10-7 28 games 20 s, 141.7 IP 36 BB 104 K 3.88 ERA, 92 ERA + 1.278 WHIP
Age 25: 11-3 18 games 17 s 115.0 IP 33 BB 77 K 3.60 ERA 106 ERA+ 1.365 WHIP
Age 26: 0-4 11 games 3 S 24.7 IP 10 BB 16 K 6.93 ERA 47 ERA+ 1.581 WHIP

Boof:

Age 24: 7-6 18 games 18S 100.3 IP 24BB 84 K 4.22 ERA 106 ERA+ 1.276 WHIP
Age 25: 8-12 31 games 30S 173.0 IP 65BB 136K 5.10 ERA 85 ERA+ 1.526 WHIP
Age 26: 2-6 12 games 12S 66.3 IP 20BB 42K 5.97 ERA 66 ERA+ 1.402 WHIP


fast forward player X:

Age 29: 4-5 63 games 40 saves, 69.0 IP 30BB 61K 2.35 ERA 182 ERA+ 1.072WHIP
Age 33: 3-3 52 games 32 saves 55.3 IP 13BB 52 K 2.60 ERA 186 ERA+ 1.066WHIP
career totals:

Age 38: 86-80, 732 games 318 saves 351BB 1030K 3.57 ERA, 117 ERA+ 1.227 WHIP